390090936 has 16 divisors (see below), whose sum is σ = 975227400. Its totient is φ = 130030304.

The previous prime is 390090917. The next prime is 390090937. The reversal of 390090936 is 639090093.

It is a junction number, because it is equal to n+sod(n) for n = 390090894 and 390090903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390090937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8126871 + ... + 8126918.

Almost surely, 2^390090936 is an apocalyptic number.

It is an amenable number.

390090936 is an abundant number, since it is smaller than the sum of its proper divisors (585136464).

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

390090936 is a wasteful number, since it uses less digits than its factorization.

390090936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253798 (or 16253794 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 390090936 is about 19750.7198856143. The cubic root of 390090936 is about 730.6711385892.

The spelling of 390090936 in words is "three hundred ninety million, ninety thousand, nine hundred thirty-six".