331878038 has 8 divisors (see below), whose sum is σ = 497917632. Its totient is φ = 165905496.

The previous prime is 331878037. The next prime is 331878083. The reversal of 331878038 is 830878133.

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

It is a super-2 number, since 2×331878038² = 220286064213458888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331877986 and 331878004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331878037) by changing a digit.

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, 1670 + ... + 25817.

It is an arithmetic number, because the mean of its divisors is an integer number (62239704).

Almost surely, 2^331878038 is an apocalyptic number.

331878038 is a deficient number, since it is larger than the sum of its proper divisors (166039594).

331878038 is a wasteful number, since it uses less digits than its factorization.

331878038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33526.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 331878038 is about 18217.5200836996. The cubic root of 331878038 is about 692.3507568925.

The spelling of 331878038 in words is "three hundred thirty-one million, eight hundred seventy-eight thousand, thirty-eight".