331634693 has 16 divisors (see below), whose sum is σ = 368235840. Its totient is φ = 296763264.

The previous prime is 331634671. The next prime is 331634701. The reversal of 331634693 is 396436133.

It is a cyclic number.

It is not a de Polignac number, because 331634693 - 2⁶ = 331634629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331634603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53030 + ... + 58952.

It is an arithmetic number, because the mean of its divisors is an integer number (23014740).

Almost surely, 2^331634693 is an apocalyptic number.

It is an amenable number.

331634693 is a deficient number, since it is larger than the sum of its proper divisors (36601147).

331634693 is a wasteful number, since it uses less digits than its factorization.

331634693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068.

The product of its digits is 104976, while the sum is 38.

The square root of 331634693 is about 18210.8399861182. The cubic root of 331634693 is about 692.1814966312.

The spelling of 331634693 in words is "three hundred thirty-one million, six hundred thirty-four thousand, six hundred ninety-three".