328550428 has 6 divisors (see below), whose sum is σ = 574963256. Its totient is φ = 164275212.

The previous prime is 328550419. The next prime is 328550447. The reversal of 328550428 is 824055823.

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, 41068800 + ... + 41068807.

Almost surely, 2^328550428 is an apocalyptic number.

It is an amenable number.

328550428 is a deficient number, since it is larger than the sum of its proper divisors (246412828).

328550428 is a wasteful number, since it uses less digits than its factorization.

328550428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82137611 (or 82137609 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 328550428 is about 18125.9600573321. The cubic root of 328550428 is about 690.0290038918.

The spelling of 328550428 in words is "three hundred twenty-eight million, five hundred fifty thousand, four hundred twenty-eight".