312393460 has 12 divisors (see below), whose sum is σ = 656026308. Its totient is φ = 124957376.

The previous prime is 312393451. The next prime is 312393469. The reversal of 312393460 is 64393213.

312393460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (312393451) and next prime (312393469).

It can be written as a sum of positive squares in 2 ways, for example, as 247558756 + 64834704 = 15734^2 + 8052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312393469) 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, 7809817 + ... + 7809856.

It is an arithmetic number, because the mean of its divisors is an integer number (54668859).

Almost surely, 2^312393460 is an apocalyptic number.

It is an amenable number.

312393460 is an abundant number, since it is smaller than the sum of its proper divisors (343632848).

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

312393460 is a wasteful number, since it uses less digits than its factorization.

312393460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619682 (or 15619680 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 312393460 is about 17674.6558665226. The cubic root of 312393460 is about 678.5272769690.

The spelling of 312393460 in words is "three hundred twelve million, three hundred ninety-three thousand, four hundred sixty".