328630863 has 16 divisors (see below), whose sum is σ = 480162816. Its totient is φ = 198272640.

The previous prime is 328630853. The next prime is 328630879. The reversal of 328630863 is 368036823.

It is not a de Polignac number, because 328630863 - 2⁴ = 328630847 is a prime.

It is a super-2 number, since 2×328630863² = 215996488232249538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328630823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14970 + ... + 29687.

It is an arithmetic number, because the mean of its divisors is an integer number (30010176).

Almost surely, 2^328630863 is an apocalyptic number.

328630863 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

328630863 is a deficient number, since it is larger than the sum of its proper divisors (151531953).

328630863 is a wasteful number, since it uses less digits than its factorization.

328630863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44894.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 328630863 is about 18128.1787005755. The cubic root of 328630863 is about 690.0853097630.

The spelling of 328630863 in words is "three hundred twenty-eight million, six hundred thirty thousand, eight hundred sixty-three".