328628377 has 48 divisors (see below), whose sum is σ = 452753280. Its totient is φ = 232404480.

The previous prime is 328628369. The next prime is 328628383. The reversal of 328628377 is 773826823.

It is not a de Polignac number, because 328628377 - 2³ = 328628369 is a prime.

It is a super-2 number, since 2×328628377² = 215993220339308258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328628357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417178 + ... + 417964.

It is an arithmetic number, because the mean of its divisors is an integer number (9432360).

Almost surely, 2^328628377 is an apocalyptic number.

It is an amenable number.

328628377 is a deficient number, since it is larger than the sum of its proper divisors (124124903).

328628377 is a wasteful number, since it uses less digits than its factorization.

328628377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 851 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 328628377 is about 18128.1101331606. The cubic root of 328628377 is about 690.0835696582.

The spelling of 328628377 in words is "three hundred twenty-eight million, six hundred twenty-eight thousand, three hundred seventy-seven".