312254464 has 56 divisors (see below), whose sum is σ = 638543808. Its totient is φ = 152616960.

The previous prime is 312254461. The next prime is 312254479. The reversal of 312254464 is 464452213.

It is not an unprimeable number, because it can be changed into a prime (312254461) 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, 384619 + ... + 385429.

It is an arithmetic number, because the mean of its divisors is an integer number (11402568).

Almost surely, 2^312254464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312254464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319271904).

312254464 is an abundant number, since it is smaller than the sum of its proper divisors (326289344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312254464 is an frugal number, since it uses more digits than its factorization.

312254464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 860 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 312254464 is about 17670.7233581424. The cubic root of 312254464 is about 678.4266276483.

The spelling of 312254464 in words is "three hundred twelve million, two hundred fifty-four thousand, four hundred sixty-four".