330878938 has 32 divisors (see below), whose sum is σ = 562398480. Its totient is φ = 144944640.

The previous prime is 330878923. The next prime is 330878941. The reversal of 330878938 is 839878033.

It can be written as a sum of positive squares in 8 ways, for example, as 150970369 + 179908569 = 12287^2 + 13413^2 .

It is a super-2 number, since 2×330878938² = 218961743224015688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 330878891 and 330878900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35248 + ... + 43636.

Almost surely, 2^330878938 is an apocalyptic number.

330878938 is a deficient number, since it is larger than the sum of its proper divisors (231519542).

330878938 is a wasteful number, since it uses less digits than its factorization.

330878938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 330878938 is about 18190.0780097283. The cubic root of 330878938 is about 691.6552976567.

It can be divided in two parts, 33087 and 8938, that added together give a square (42025 = 205²).

The spelling of 330878938 in words is "three hundred thirty million, eight hundred seventy-eight thousand, nine hundred thirty-eight".