328400764 has 12 divisors (see below), whose sum is σ = 608507424. Its totient is φ = 154541504.

The previous prime is 328400753. The next prime is 328400777. The reversal of 328400764 is 467004823.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414644 + ... + 2414779.

It is an arithmetic number, because the mean of its divisors is an integer number (50708952).

Almost surely, 2^328400764 is an apocalyptic number.

328400764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

328400764 is a deficient number, since it is larger than the sum of its proper divisors (280106660).

328400764 is a wasteful number, since it uses less digits than its factorization.

328400764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829444 (or 4829442 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 328400764 is about 18121.8311436786. The cubic root of 328400764 is about 689.9242120778.

The spelling of 328400764 in words is "three hundred twenty-eight million, four hundred thousand, seven hundred sixty-four".