328412187 has 6 divisors (see below), whose sum is σ = 474373172. Its totient is φ = 218941452.

The previous prime is 328412179. The next prime is 328412197. The reversal of 328412187 is 781214823.

It is not a de Polignac number, because 328412187 - 2³ = 328412179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328412107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18245113 + ... + 18245130.

Almost surely, 2^328412187 is an apocalyptic number.

328412187 is a deficient number, since it is larger than the sum of its proper divisors (145960985).

328412187 is a wasteful number, since it uses less digits than its factorization.

328412187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36490249 (or 36490246 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 328412187 is about 18122.1463132820. The cubic root of 328412187 is about 689.9322113618.

The spelling of 328412187 in words is "three hundred twenty-eight million, four hundred twelve thousand, one hundred eighty-seven".