327690 has 48 divisors (see below), whose sum is σ = 932256. Its totient is φ = 79200.

The previous prime is 327689. The next prime is 327707. The reversal of 327690 is 96723.

327690 = 254² + 255² + ... + 258².

It is a super-2 number, since 2×327690² = 214761472200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (19422).

2³²⁷⁶⁹⁰ is an apocalyptic number.

327690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 327690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466128).

327690 is an abundant number, since it is smaller than the sum of its proper divisors (604566).

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

327690 is a wasteful number, since it uses less digits than its factorization.

327690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 327690 is about 572.4421368138. The cubic root of 327690 is about 68.9426113873.

The spelling of 327690 in words is "three hundred twenty-seven thousand, six hundred ninety".