328561204 has 12 divisors (see below), whose sum is σ = 585831204. Its totient is φ = 161180864.

The previous prime is 328561201. The next prime is 328561229. The reversal of 328561204 is 402165823.

It can be written as a sum of positive squares in 2 ways, for example, as 197458704 + 131102500 = 14052^2 + 11450^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328561201) 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, 774697 + ... + 775120.

It is an arithmetic number, because the mean of its divisors is an integer number (48819267).

Almost surely, 2^328561204 is an apocalyptic number.

It is an amenable number.

328561204 is a deficient number, since it is larger than the sum of its proper divisors (257270000).

328561204 is a wasteful number, since it uses less digits than its factorization.

328561204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549874 (or 1549872 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 328561204 is about 18126.2573081152. The cubic root of 328561204 is about 690.0365478086.

The spelling of 328561204 in words is "three hundred twenty-eight million, five hundred sixty-one thousand, two hundred four".