312047898 has 16 divisors (see below), whose sum is σ = 624432000. Its totient is φ = 103959936.

The previous prime is 312047893. The next prime is 312047909. The reversal of 312047898 is 898740213.

It is not an unprimeable number, because it can be changed into a prime (312047893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 25002.

It is an arithmetic number, because the mean of its divisors is an integer number (39027000).

Almost surely, 2^312047898 is an apocalyptic number.

312047898 is an abundant number, since it is smaller than the sum of its proper divisors (312384102).

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

312047898 is a wasteful number, since it uses less digits than its factorization.

312047898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28021.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 312047898 is about 17664.8775257571. The cubic root of 312047898 is about 678.2769945717.

The spelling of 312047898 in words is "three hundred twelve million, forty-seven thousand, eight hundred ninety-eight".