3656774 has 16 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 1653960.

The previous prime is 3656773. The next prime is 3656777. The reversal of 3656774 is 4776563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656773) 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, 7667 + ... + 8129.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

Almost surely, 2^3656774 is an apocalyptic number.

3656774 is a deficient number, since it is larger than the sum of its proper divisors (2356666).

3656774 is a wasteful number, since it uses less digits than its factorization.

3656774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its digits is 105840, while the sum is 38.

The square root of 3656774 is about 1912.2693324948. The cubic root of 3656774 is about 154.0633629179.

The spelling of 3656774 in words is "three million, six hundred fifty-six thousand, seven hundred seventy-four".