312199468 has 48 divisors (see below), whose sum is σ = 644474880. Its totient is φ = 129564864.

The previous prime is 312199453. The next prime is 312199483. The reversal of 312199468 is 864991213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312199453) and next prime (312199483).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115905 + ... + 118567.

It is an arithmetic number, because the mean of its divisors is an integer number (13426560).

Almost surely, 2^312199468 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 312199468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322237440).

312199468 is an abundant number, since it is smaller than the sum of its proper divisors (332275412).

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

312199468 is a wasteful number, since it uses less digits than its factorization.

312199468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806 (or 2804 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 312199468 is about 17669.1671563772. The cubic root of 312199468 is about 678.3867958810.

The spelling of 312199468 in words is "three hundred twelve million, one hundred ninety-nine thousand, four hundred sixty-eight".