312563464 has 8 divisors (see below), whose sum is σ = 586056510. Its totient is φ = 156281728.

The previous prime is 312563437. The next prime is 312563473. The reversal of 312563464 is 464365213.

It can be written as a sum of positive squares in only one way, i.e., 306600100 + 5963364 = 17510^2 + 2442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19535209 + ... + 19535224.

Almost surely, 2^312563464 is an apocalyptic number.

It is an amenable number.

312563464 is a deficient number, since it is larger than the sum of its proper divisors (273493046).

312563464 is a wasteful number, since it uses less digits than its factorization.

312563464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39070439 (or 39070435 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 312563464 is about 17679.4644715274. The cubic root of 312563464 is about 678.6503391192.

The spelling of 312563464 in words is "three hundred twelve million, five hundred sixty-three thousand, four hundred sixty-four".