331629882 has 8 divisors (see below), whose sum is σ = 663259776. Its totient is φ = 110543292.

The previous prime is 331629841. The next prime is 331629901. The reversal of 331629882 is 288926133.

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

331629882 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27635818 + ... + 27635829.

It is an arithmetic number, because the mean of its divisors is an integer number (82907472).

Almost surely, 2^331629882 is an apocalyptic number.

331629882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331629882 is a wasteful number, since it uses less digits than its factorization.

331629882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55271652.

The product of its digits is 124416, while the sum is 42.

The square root of 331629882 is about 18210.7078939837. The cubic root of 331629882 is about 692.1781494731.

It can be divided in two parts, 33 and 1629882, that added together give a triangular number (1629915 = T₁₈₀₅).

The spelling of 331629882 in words is "three hundred thirty-one million, six hundred twenty-nine thousand, eight hundred eighty-two".