327661534 has 16 divisors (see below), whose sum is σ = 503513856. Its totient is φ = 159845400.

The previous prime is 327661531. The next prime is 327661547. The reversal of 327661534 is 435166723.

It is a junction number, because it is equal to n+sod(n) for n = 327661493 and 327661502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327661531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25849 + ... + 36379.

It is an arithmetic number, because the mean of its divisors is an integer number (31469616).

Almost surely, 2^327661534 is an apocalyptic number.

327661534 is a deficient number, since it is larger than the sum of its proper divisors (175852322).

327661534 is a wasteful number, since it uses less digits than its factorization.

327661534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911.

The product of its digits is 90720, while the sum is 37.

The square root of 327661534 is about 18101.4235351809. The cubic root of 327661534 is about 689.4061501141.

The spelling of 327661534 in words is "three hundred twenty-seven million, six hundred sixty-one thousand, five hundred thirty-four".