328966416 has 30 divisors (see below), whose sum is σ = 920649470. Its totient is φ = 109655424.

The previous prime is 328966403. The next prime is 328966457. The reversal of 328966416 is 614669823.

It can be written as a sum of positive squares in only one way, i.e., 171714816 + 157251600 = 13104^2 + 12540^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1142101 + ... + 1142388.

Almost surely, 2^328966416 is an apocalyptic number.

328966416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

328966416 is an abundant number, since it is smaller than the sum of its proper divisors (591683054).

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

328966416 is a wasteful number, since it uses less digits than its factorization.

328966416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284503 (or 2284494 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 328966416 is about 18137.4313506626. The cubic root of 328966416 is about 690.3201035231.

The spelling of 328966416 in words is "three hundred twenty-eight million, nine hundred sixty-six thousand, four hundred sixteen".