328405204 has 6 divisors (see below), whose sum is σ = 574709114. Its totient is φ = 164202600.

The previous prime is 328405199. The next prime is 328405223. The reversal of 328405204 is 402504823.

It can be written as a sum of positive squares in only one way, i.e., 317196100 + 11209104 = 17810^2 + 3348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41050647 + ... + 41050654.

Almost surely, 2^328405204 is an apocalyptic number.

It is an amenable number.

328405204 is a deficient number, since it is larger than the sum of its proper divisors (246303910).

328405204 is a wasteful number, since it uses less digits than its factorization.

328405204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82101305 (or 82101303 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 328405204 is about 18121.9536474410. The cubic root of 328405204 is about 689.9273213374.

The spelling of 328405204 in words is "three hundred twenty-eight million, four hundred five thousand, two hundred four".