312285464 has 8 divisors (see below), whose sum is σ = 585535260. Its totient is φ = 156142728.

The previous prime is 312285451. The next prime is 312285481. The reversal of 312285464 is 464582213.

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

It is a super-2 number, since 2×312285464² = 195044422051390592, 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 as a sum of consecutive naturals, namely, 19517834 + ... + 19517849.

Almost surely, 2^312285464 is an apocalyptic number.

It is an amenable number.

312285464 is a deficient number, since it is larger than the sum of its proper divisors (273249796).

312285464 is a wasteful number, since it uses less digits than its factorization.

312285464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39035689 (or 39035685 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 312285464 is about 17671.6004934471. The cubic root of 312285464 is about 678.4490778526.

The spelling of 312285464 in words is "three hundred twelve million, two hundred eighty-five thousand, four hundred sixty-four".