390229012 has 12 divisors (see below), whose sum is σ = 684705280. Its totient is φ = 194598936.

The previous prime is 390229003. The next prime is 390229039. The reversal of 390229012 is 210922093.

It is a super-2 number, since 2×390229012² = 304557363612992288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127188 + ... + 130219.

Almost surely, 2^390229012 is an apocalyptic number.

It is an amenable number.

390229012 is a deficient number, since it is larger than the sum of its proper divisors (294476268).

390229012 is a wasteful number, since it uses less digits than its factorization.

390229012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257790 (or 257788 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 390229012 is about 19754.2150438837. The cubic root of 390229012 is about 730.7573375049.

The spelling of 390229012 in words is "three hundred ninety million, two hundred twenty-nine thousand, twelve".