328471764 has 24 divisors (see below), whose sum is σ = 767430048. Its totient is φ = 109348320.

The previous prime is 328471733. The next prime is 328471771. The reversal of 328471764 is 467174823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7947 + ... + 26834.

It is an arithmetic number, because the mean of its divisors is an integer number (31976252).

Almost surely, 2^328471764 is an apocalyptic number.

It is an amenable number.

328471764 is an abundant number, since it is smaller than the sum of its proper divisors (438958284).

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

328471764 is a wasteful number, since it uses less digits than its factorization.

328471764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35575 (or 35573 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 328471764 is about 18123.7900009904. The cubic root of 328471764 is about 689.9739288616.

The spelling of 328471764 in words is "three hundred twenty-eight million, four hundred seventy-one thousand, seven hundred sixty-four".