328555642 has 8 divisors (see below), whose sum is σ = 494575776. Its totient is φ = 163697052.

The previous prime is 328555631. The next prime is 328555663. The reversal of 328555642 is 246555823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 328555595 and 328555604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289678 + ... + 290809.

It is an arithmetic number, because the mean of its divisors is an integer number (61821972).

Almost surely, 2^328555642 is an apocalyptic number.

328555642 is a deficient number, since it is larger than the sum of its proper divisors (166020134).

328555642 is a wasteful number, since it uses less digits than its factorization.

328555642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580772.

The product of its digits is 288000, while the sum is 40.

The square root of 328555642 is about 18126.1038836260. The cubic root of 328555642 is about 690.0326540592.

The spelling of 328555642 in words is "three hundred twenty-eight million, five hundred fifty-five thousand, six hundred forty-two".