328772268 has 36 divisors (see below), whose sum is σ = 906615528. Its totient is φ = 99627840.

The previous prime is 328772263. The next prime is 328772273. The reversal of 328772268 is 862277823.

It is an interprime number because it is at equal distance from previous prime (328772263) and next prime (328772273).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (328772261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414721 + ... + 415512.

Almost surely, 2^328772268 is an apocalyptic number.

It is an amenable number.

328772268 is an abundant number, since it is smaller than the sum of its proper divisors (577843260).

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

328772268 is a wasteful number, since it uses less digits than its factorization.

328772268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830254 (or 830249 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 328772268 is about 18132.0784247146. The cubic root of 328772268 is about 690.1842734043.

The spelling of 328772268 in words is "three hundred twenty-eight million, seven hundred seventy-two thousand, two hundred sixty-eight".