487398312 has 24 divisors (see below), whose sum is σ = 1320037290. Its totient is φ = 162466080.

The previous prime is 487398287. The next prime is 487398323. The reversal of 487398312 is 213893784.

It can be written as a sum of positive squares in only one way, i.e., 477247716 + 10150596 = 21846^2 + 3186^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×487398312² = 475114229080898688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3384639 + ... + 3384782.

Almost surely, 2^487398312 is an apocalyptic number.

It is an amenable number.

487398312 is an abundant number, since it is smaller than the sum of its proper divisors (832638978).

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

487398312 is a wasteful number, since it uses less digits than its factorization.

487398312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769433 (or 6769426 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 487398312 is about 22077.0992659815. The cubic root of 487398312 is about 786.9757320808.

The spelling of 487398312 in words is "four hundred eighty-seven million, three hundred ninety-eight thousand, three hundred twelve".