331888894 has 8 divisors (see below), whose sum is σ = 501004728. Its totient is φ = 164887320.

The previous prime is 331888849. The next prime is 331888897. The reversal of 331888894 is 498888133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×331888894² = 220300475921086472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331888897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528172 + ... + 528799.

It is an arithmetic number, because the mean of its divisors is an integer number (62625591).

Almost surely, 2^331888894 is an apocalyptic number.

331888894 is a deficient number, since it is larger than the sum of its proper divisors (169115834).

331888894 is a wasteful number, since it uses less digits than its factorization.

331888894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057130.

The product of its digits is 1327104, while the sum is 52.

The square root of 331888894 is about 18217.8180361974. The cubic root of 331888894 is about 692.3583059286.

The spelling of 331888894 in words is "three hundred thirty-one million, eight hundred eighty-eight thousand, eight hundred ninety-four".