328801807 has 4 divisors (see below), whose sum is σ = 330819160. Its totient is φ = 326784456.

The previous prime is 328801799. The next prime is 328801831. The reversal of 328801807 is 708108823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708108823 = 1297 ⋅545959.

It is a cyclic number.

It is not a de Polignac number, because 328801807 - 2³ = 328801799 is a prime.

It is a super-2 number, since 2×328801807² = 216221256572930498, 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 (328804807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008432 + ... + 1008757.

It is an arithmetic number, because the mean of its divisors is an integer number (82704790).

Almost surely, 2^328801807 is an apocalyptic number.

328801807 is a deficient number, since it is larger than the sum of its proper divisors (2017353).

328801807 is a wasteful number, since it uses less digits than its factorization.

328801807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017352.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 328801807 is about 18132.8929572752. The cubic root of 328801807 is about 690.2049429728.

The spelling of 328801807 in words is "three hundred twenty-eight million, eight hundred one thousand, eight hundred seven".