3656426 has 8 divisors (see below), whose sum is σ = 5512800. Its totient is φ = 1818828.

The previous prime is 3656413. The next prime is 3656437. The reversal of 3656426 is 6246563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3656392 and 3656401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4196 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (689100).

Almost surely, 2^3656426 is an apocalyptic number.

3656426 is a deficient number, since it is larger than the sum of its proper divisors (1856374).

3656426 is a wasteful number, since it uses less digits than its factorization.

3656426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388.

The product of its digits is 25920, while the sum is 32.

The square root of 3656426 is about 1912.1783389632. The cubic root of 3656426 is about 154.0584755726.

The spelling of 3656426 in words is "three million, six hundred fifty-six thousand, four hundred twenty-six".