327901640 has 32 divisors (see below), whose sum is σ = 804850560. Its totient is φ = 119236800.

The previous prime is 327901621. The next prime is 327901667. The reversal of 327901640 is 46109723.

It is a junction number, because it is equal to n+sod(n) for n = 327901597 and 327901606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372176 + ... + 373055.

It is an arithmetic number, because the mean of its divisors is an integer number (25151580).

Almost surely, 2^327901640 is an apocalyptic number.

It is an amenable number.

327901640 is an abundant number, since it is smaller than the sum of its proper divisors (476948920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

327901640 is a wasteful number, since it uses less digits than its factorization.

327901640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745253 (or 745249 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 327901640 is about 18108.0545614376. The cubic root of 327901640 is about 689.5745048740.

The spelling of 327901640 in words is "three hundred twenty-seven million, nine hundred one thousand, six hundred forty".