32890664 has 8 divisors (see below), whose sum is σ = 61670010. Its totient is φ = 16445328.

The previous prime is 32890643. The next prime is 32890709. The reversal of 32890664 is 46609823.

It can be written as a sum of positive squares in only one way, i.e., 27646564 + 5244100 = 5258^2 + 2290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055659 + ... + 2055674.

Almost surely, 2^32890664 is an apocalyptic number.

It is an amenable number.

32890664 is a deficient number, since it is larger than the sum of its proper divisors (28779346).

32890664 is a wasteful number, since it uses less digits than its factorization.

32890664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111339 (or 4111335 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 32890664 is about 5735.0382736299. The cubic root of 32890664 is about 320.3987996649.

The spelling of 32890664 in words is "thirty-two million, eight hundred ninety thousand, six hundred sixty-four".