390490412 has 24 divisors (see below), whose sum is σ = 767923296. Its totient is φ = 172389888.

The previous prime is 390490411. The next prime is 390490417. The reversal of 390490412 is 214094093.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (390490411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162053 + ... + 164444.

It is an arithmetic number, because the mean of its divisors is an integer number (31996804).

Almost surely, 2^390490412 is an apocalyptic number.

It is an amenable number.

390490412 is a deficient number, since it is larger than the sum of its proper divisors (377432884).

390490412 is a wasteful number, since it uses less digits than its factorization.

390490412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326537 (or 326535 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 390490412 is about 19760.8302457159. The cubic root of 390490412 is about 730.9204702001.

The spelling of 390490412 in words is "three hundred ninety million, four hundred ninety thousand, four hundred twelve".