328810736 has 20 divisors (see below), whose sum is σ = 674546112. Its totient is φ = 154734336.

The previous prime is 328810709. The next prime is 328810739. The reversal of 328810736 is 637018823.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 328810736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328810739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604160 + ... + 604703.

Almost surely, 2^328810736 is an apocalyptic number.

It is an amenable number.

328810736 is an abundant number, since it is smaller than the sum of its proper divisors (345735376).

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

328810736 is a wasteful number, since it uses less digits than its factorization.

328810736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208888 (or 1208882 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 328810736 is about 18133.1391656271. The cubic root of 328810736 is about 690.2111906921.

The spelling of 328810736 in words is "three hundred twenty-eight million, eight hundred ten thousand, seven hundred thirty-six".