315896220 has 48 divisors (see below), whose sum is σ = 982789920. Its totient is φ = 84238848.

The previous prime is 315896219. The next prime is 315896249. The reversal of 315896220 is 22698513.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291957 + ... + 293036.

It is an arithmetic number, because the mean of its divisors is an integer number (20474790).

Almost surely, 2^315896220 is an apocalyptic number.

315896220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315896220 is an abundant number, since it is smaller than the sum of its proper divisors (666893700).

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

315896220 is a wasteful number, since it uses less digits than its factorization.

315896220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585011 (or 585003 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 315896220 is about 17773.4695543667. The cubic root of 315896220 is about 681.0538877189.

The spelling of 315896220 in words is "three hundred fifteen million, eight hundred ninety-six thousand, two hundred twenty".