328486631 has 8 divisors (see below), whose sum is σ = 379428624. Its totient is φ = 281057920.

The previous prime is 328486601. The next prime is 328486709. The reversal of 328486631 is 136684823.

It is a happy number.

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

It is not a de Polignac number, because 328486631 - 2¹⁰ = 328485607 is a prime.

It is a super-2 number, since 2×328486631² = 215806933491460322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328486601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878120 + ... + 878493.

It is an arithmetic number, because the mean of its divisors is an integer number (47428578).

Almost surely, 2^328486631 is an apocalyptic number.

328486631 is a deficient number, since it is larger than the sum of its proper divisors (50941993).

328486631 is a wasteful number, since it uses less digits than its factorization.

328486631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756641.

The product of its digits is 165888, while the sum is 41.

The square root of 328486631 is about 18124.2001478686. The cubic root of 328486631 is about 689.9843383689.

The spelling of 328486631 in words is "three hundred twenty-eight million, four hundred eighty-six thousand, six hundred thirty-one".