3731656 has 32 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 1756800.

The previous prime is 3731627. The next prime is 3731683. The reversal of 3731656 is 6561373.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9985 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

Almost surely, 2^3731656 is an apocalyptic number.

It is an amenable number.

3731656 is a deficient number, since it is larger than the sum of its proper divisors (3687224).

3731656 is a wasteful number, since it uses less digits than its factorization.

3731656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 441 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 3731656 is about 1931.7494661576. The cubic root of 3731656 is about 155.1078818847.

The spelling of 3731656 in words is "three million, seven hundred thirty-one thousand, six hundred fifty-six".