312621464 has 16 divisors (see below), whose sum is σ = 594915000. Its totient is φ = 153977472.

The previous prime is 312621461. The next prime is 312621499. The reversal of 312621464 is 464126213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312621461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291089 + ... + 292160.

Almost surely, 2^312621464 is an apocalyptic number.

It is an amenable number.

312621464 is a deficient number, since it is larger than the sum of its proper divisors (282293536).

312621464 is a wasteful number, since it uses less digits than its factorization.

312621464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583322 (or 583318 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 312621464 is about 17681.1047166177. The cubic root of 312621464 is about 678.6923138324.

Adding to 312621464 its reverse (464126213), we get a palindrome (776747677).

The spelling of 312621464 in words is "three hundred twelve million, six hundred twenty-one thousand, four hundred sixty-four".