328436451 has 80 divisors (see below), whose sum is σ = 604806400. Its totient is φ = 173420352.

The previous prime is 328436443. The next prime is 328436461. The reversal of 328436451 is 154634823.

328436451 is a `hidden beast` number, since 3 + 2 + 8 + 4 + 3 + 645 + 1 = 666.

It is not a de Polignac number, because 328436451 - 2³ = 328436443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328436441) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 462885 + ... + 463593.

It is an arithmetic number, because the mean of its divisors is an integer number (7560080).

Almost surely, 2^328436451 is an apocalyptic number.

328436451 is a deficient number, since it is larger than the sum of its proper divisors (276369949).

328436451 is a wasteful number, since it uses less digits than its factorization.

328436451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 781 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 328436451 is about 18122.8157580438. The cubic root of 328436451 is about 689.9492023095.

The spelling of 328436451 in words is "three hundred twenty-eight million, four hundred thirty-six thousand, four hundred fifty-one".