327616920 has 128 divisors (see below), whose sum is σ = 1096128000. Its totient is φ = 87039360.

The previous prime is 327616889. The next prime is 327616951. The reversal of 327616920 is 29616723.

327616920 is a `hidden beast` number, since 32 + 7 + 616 + 9 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (327616889) and next prime (327616951).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473775 + ... + 474465.

It is an arithmetic number, because the mean of its divisors is an integer number (8563500).

Almost surely, 2^327616920 is an apocalyptic number.

327616920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327616920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548064000).

327616920 is an abundant number, since it is smaller than the sum of its proper divisors (768511080).

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

327616920 is a wasteful number, since it uses less digits than its factorization.

327616920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 327616920 is about 18100.1911592116. The cubic root of 327616920 is about 689.3748591234.

The spelling of 327616920 in words is "three hundred twenty-seven million, six hundred sixteen thousand, nine hundred twenty".