390054402 has 36 divisors (see below), whose sum is σ = 866922966. Its totient is φ = 126672480.

The previous prime is 390054397. The next prime is 390054449. The reversal of 390054402 is 204450093.

It can be written as a sum of positive squares in only one way, i.e., 385297641 + 4756761 = 19629^2 + 2181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 536163 + ... + 536889.

Almost surely, 2^390054402 is an apocalyptic number.

390054402 is an abundant number, since it is smaller than the sum of its proper divisors (476868564).

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

390054402 is an equidigital number, since it uses as much as digits as its factorization.

390054402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 390054402 is about 19749.7949862777. The cubic root of 390054402 is about 730.6483275211.

The spelling of 390054402 in words is "three hundred ninety million, fifty-four thousand, four hundred two".