312946090 has 16 divisors (see below), whose sum is σ = 563877288. Its totient is φ = 125050816.

The previous prime is 312946057. The next prime is 312946099. The reversal of 312946090 is 90649213.

It can be written as a sum of positive squares in 4 ways, for example, as 122478489 + 190467601 = 11067^2 + 13801^2 .

It is not an unprimeable number, because it can be changed into a prime (312946099) 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, 5317 + ... + 25576.

Almost surely, 2^312946090 is an apocalyptic number.

312946090 is a deficient number, since it is larger than the sum of its proper divisors (250931198).

312946090 is a wasteful number, since it uses less digits than its factorization.

312946090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31913.

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

The square root of 312946090 is about 17690.2823606634. The cubic root of 312946090 is about 678.9271505064.

The spelling of 312946090 in words is "three hundred twelve million, nine hundred forty-six thousand, ninety".