327638 has 4 divisors (see below), whose sum is σ = 491460. Its totient is φ = 163818.

The previous prime is 327629. The next prime is 327647. The reversal of 327638 is 836723.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (327629) and next prime (327647).

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

It is a self number, because there is not a number n which added to its sum of digits gives 327638.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 327638.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81908 + ... + 81911.

It is an arithmetic number, because the mean of its divisors is an integer number (122865).

2³²⁷⁶³⁸ is an apocalyptic number.

327638 is a deficient number, since it is larger than the sum of its proper divisors (163822).

327638 is a wasteful number, since it uses less digits than its factorization.

327638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163821.

The product of its digits is 6048, while the sum is 29.

The square root of 327638 is about 572.3967155741. The cubic root of 327638 is about 68.9389644390.

The spelling of 327638 in words is "three hundred twenty-seven thousand, six hundred thirty-eight".