331693768 has 32 divisors (see below), whose sum is σ = 713986560. Its totient is φ = 141511680.

The previous prime is 331693763. The next prime is 331693771. The reversal of 331693768 is 867396133.

It is a super-2 number, since 2×331693768² = 220041511460075648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331693763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (22312080).

Almost surely, 2^331693768 is an apocalyptic number.

It is an amenable number.

331693768 is an abundant number, since it is smaller than the sum of its proper divisors (382292792).

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

331693768 is a wasteful number, since it uses less digits than its factorization.

331693768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26797 (or 26793 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The square root of 331693768 is about 18212.4618874001. The cubic root of 331693768 is about 692.2225942556. Note that the first 3 decimals are identical.

The spelling of 331693768 in words is "three hundred thirty-one million, six hundred ninety-three thousand, seven hundred sixty-eight".