3656274 has 8 divisors (see below), whose sum is σ = 7312560. Its totient is φ = 1218756.

The previous prime is 3656273. The next prime is 3656281. The reversal of 3656274 is 4726563.

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

3656274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3656273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304684 + ... + 304695.

It is an arithmetic number, because the mean of its divisors is an integer number (914070).

Almost surely, 2^3656274 is an apocalyptic number.

3656274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3656274 is a wasteful number, since it uses less digits than its factorization.

3656274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609384.

The product of its digits is 30240, while the sum is 33.

The square root of 3656274 is about 1912.1385933033. The cubic root of 3656274 is about 154.0563407728.

The spelling of 3656274 in words is "three million, six hundred fifty-six thousand, two hundred seventy-four".