312046990 has 16 divisors (see below), whose sum is σ = 561952080. Its totient is φ = 124759360.

The previous prime is 312046967. The next prime is 312046993. The reversal of 312046990 is 99640213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312046993) 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, 19146 + ... + 31474.

It is an arithmetic number, because the mean of its divisors is an integer number (35122005).

Almost surely, 2^312046990 is an apocalyptic number.

312046990 is a deficient number, since it is larger than the sum of its proper divisors (249905090).

312046990 is a wasteful number, since it uses less digits than its factorization.

312046990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14867.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 312046990 is about 17664.8518250225. The cubic root of 312046990 is about 678.2763366854.

The spelling of 312046990 in words is "three hundred twelve million, forty-six thousand, nine hundred ninety".