3655274 has 16 divisors (see below), whose sum is σ = 6309888. Its totient is φ = 1555632.

The previous prime is 3655271. The next prime is 3655279. The reversal of 3655274 is 4725563.

It is a super-2 number, since 2×3655274² = 26722056030152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3655274.

It is not an unprimeable number, because it can be changed into a prime (3655271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (394368).

Almost surely, 2^3655274 is an apocalyptic number.

3655274 is a deficient number, since it is larger than the sum of its proper divisors (2654614).

3655274 is a wasteful number, since it uses less digits than its factorization.

3655274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829.

The product of its digits is 25200, while the sum is 32.

The square root of 3655274 is about 1911.8770880995. The cubic root of 3655274 is about 154.0422945618.

The spelling of 3655274 in words is "three million, six hundred fifty-five thousand, two hundred seventy-four".