390036674 has 12 divisors (see below), whose sum is σ = 617469174. Its totient is φ = 184753872.

The previous prime is 390036659. The next prime is 390036677. The reversal of 390036674 is 476630093.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 327863449 + 62173225 = 18107^2 + 7885^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (390036677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269387 + ... + 270830.

Almost surely, 2^390036674 is an apocalyptic number.

390036674 is a deficient number, since it is larger than the sum of its proper divisors (227432500).

390036674 is a wasteful number, since it uses less digits than its factorization.

390036674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540257 (or 540238 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 390036674 is about 19749.3461663924. The cubic root of 390036674 is about 730.6372580141.

The spelling of 390036674 in words is "three hundred ninety million, thirty-six thousand, six hundred seventy-four".