390908044 has 6 divisors (see below), whose sum is σ = 684089084. Its totient is φ = 195454020.

The previous prime is 390908041. The next prime is 390908087. The reversal of 390908044 is 440809093.

It is a junction number, because it is equal to n+sod(n) for n = 390907994 and 390908012.

It is not an unprimeable number, because it can be changed into a prime (390908041) 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 as a sum of consecutive naturals, namely, 48863502 + ... + 48863509.

Almost surely, 2^390908044 is an apocalyptic number.

It is an amenable number.

390908044 is a deficient number, since it is larger than the sum of its proper divisors (293181040).

390908044 is a wasteful number, since it uses less digits than its factorization.

390908044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97727015 (or 97727013 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 390908044 is about 19771.3945891533. The cubic root of 390908044 is about 731.1809520700.

The spelling of 390908044 in words is "three hundred ninety million, nine hundred eight thousand, forty-four".