3620712 has 32 divisors (see below), whose sum is σ = 9208800. Its totient is φ = 1185984.

The previous prime is 3620693. The next prime is 3620713. The reversal of 3620712 is 2170263.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3620713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (287775).

Almost surely, 2^3620712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4604400).

3620712 is an abundant number, since it is smaller than the sum of its proper divisors (5588088).

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

3620712 is a wasteful number, since it uses less digits than its factorization.

3620712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3620712 is about 1902.8168592905. The cubic root of 3620712 is about 153.5552468360. Note that the first 3 decimals are identical.

Adding to 3620712 its reverse (2170263), we get a palindrome (5790975).

The spelling of 3620712 in words is "three million, six hundred twenty thousand, seven hundred twelve".