3719688 has 48 divisors (see below), whose sum is σ = 10820880. Its totient is φ = 1062432.

The previous prime is 3719669. The next prime is 3719693. The reversal of 3719688 is 8869173.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (225435).

Almost surely, 2^3719688 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 3719688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5410440).

3719688 is an abundant number, since it is smaller than the sum of its proper divisors (7101192).

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

3719688 is a wasteful number, since it uses less digits than its factorization.

3719688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186 (or 3175 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 3719688 is about 1928.6492682704. The cubic root of 3719688 is about 154.9418859491.

The spelling of 3719688 in words is "three million, seven hundred nineteen thousand, six hundred eighty-eight".