328525764 has 24 divisors (see below), whose sum is σ = 876068928. Its totient is φ = 93864480.

The previous prime is 328525763. The next prime is 328525777. The reversal of 328525764 is 467525823.

It is a super-2 number, since 2×328525764² = 215858355223567392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (328525763) 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, 1955427 + ... + 1955594.

It is an arithmetic number, because the mean of its divisors is an integer number (36502872).

Almost surely, 2^328525764 is an apocalyptic number.

It is an amenable number.

328525764 is an abundant number, since it is smaller than the sum of its proper divisors (547543164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328525764 is a wasteful number, since it uses less digits than its factorization.

328525764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911035 (or 3911033 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 328525764 is about 18125.2796943937. The cubic root of 328525764 is about 690.0117368304.

The spelling of 328525764 in words is "three hundred twenty-eight million, five hundred twenty-five thousand, seven hundred sixty-four".