3719628 has 96 divisors (see below), whose sum is σ = 10967040. Its totient is φ = 1080000.

The previous prime is 3719623. The next prime is 3719633. The reversal of 3719628 is 8269173.

3719628 is a nontrivial binomial coefficient, being equal to C(2728, 2).

It is an interprime number because it is at equal distance from previous prime (3719623) and next prime (3719633).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3719592 and 3719601.

It is not an unprimeable number, because it can be changed into a prime (3719623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36778 + ... + 36878.

It is an arithmetic number, because the mean of its divisors is an integer number (114240).

Almost surely, 2^3719628 is an apocalyptic number.

3719628 is the 2727-th triangular number and also the 1364-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3719628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5483520).

3719628 is an abundant number, since it is smaller than the sum of its proper divisors (7247412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3719628 is a wasteful number, since it uses less digits than its factorization.

3719628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 148 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3719628 is about 1928.6337132799. The cubic root of 3719628 is about 154.9410528538.

It can be divided in two parts, 371 and 9628, that added together give a palindrome (9999).

The spelling of 3719628 in words is "three million, seven hundred nineteen thousand, six hundred twenty-eight".