328646652 has 48 divisors (see below), whose sum is σ = 831775392. Its totient is φ = 100587520.

The previous prime is 328646621. The next prime is 328646653. The reversal of 328646652 is 256646823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328646653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11283 + ... + 28010.

It is an arithmetic number, because the mean of its divisors is an integer number (17328654).

Almost surely, 2^328646652 is an apocalyptic number.

It is an amenable number.

328646652 is an abundant number, since it is smaller than the sum of its proper divisors (503128740).

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

328646652 is a wasteful number, since it uses less digits than its factorization.

328646652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39358 (or 39356 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 328646652 is about 18128.6141775923. The cubic root of 328646652 is about 690.0963612533.

The spelling of 328646652 in words is "three hundred twenty-eight million, six hundred forty-six thousand, six hundred fifty-two".