331893740 has 36 divisors (see below), whose sum is σ = 703064208. Its totient is φ = 131607840.

The previous prime is 331893701. The next prime is 331893787. The reversal of 331893740 is 47398133.

It is a super-2 number, since 2×331893740² = 220306909302375200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331893694 and 331893703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342737 + ... + 343703.

Almost surely, 2^331893740 is an apocalyptic number.

It is an amenable number.

331893740 is an abundant number, since it is smaller than the sum of its proper divisors (371170468).

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

331893740 is a wasteful number, since it uses less digits than its factorization.

331893740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 331893740 is about 18217.9510373697. The cubic root of 331893740 is about 692.3616756829.

The spelling of 331893740 in words is "three hundred thirty-one million, eight hundred ninety-three thousand, seven hundred forty".