331868364 has 24 divisors (see below), whose sum is σ = 815115840. Its totient is φ = 104800464.

The previous prime is 331868359. The next prime is 331868393. The reversal of 331868364 is 463868133.

It is a super-2 number, since 2×331868364² = 220273222048072992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727554 + ... + 728009.

It is an arithmetic number, because the mean of its divisors is an integer number (33963160).

Almost surely, 2^331868364 is an apocalyptic number.

It is an amenable number.

331868364 is an abundant number, since it is smaller than the sum of its proper divisors (483247476).

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

331868364 is a wasteful number, since it uses less digits than its factorization.

331868364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455589 (or 1455587 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 331868364 is about 18217.2545681285. The cubic root of 331868364 is about 692.3440296559.

The spelling of 331868364 in words is "three hundred thirty-one million, eight hundred sixty-eight thousand, three hundred sixty-four".