315481398 has 32 divisors (see below), whose sum is σ = 636636672. Its totient is φ = 104220000.

The previous prime is 315481391. The next prime is 315481403. The reversal of 315481398 is 893184513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315481391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407740 + ... + 408512.

It is an arithmetic number, because the mean of its divisors is an integer number (19894896).

Almost surely, 2^315481398 is an apocalyptic number.

315481398 is an abundant number, since it is smaller than the sum of its proper divisors (321155274).

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

315481398 is a wasteful number, since it uses less digits than its factorization.

315481398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 103680, while the sum is 42.

The square root of 315481398 is about 17761.7960240512. The cubic root of 315481398 is about 680.7556464284.

The spelling of 315481398 in words is "three hundred fifteen million, four hundred eighty-one thousand, three hundred ninety-eight".