32641328 has 20 divisors (see below), whose sum is σ = 64188600. Its totient is φ = 16076544.

The previous prime is 32641321. The next prime is 32641331. The reversal of 32641328 is 82314623.

It is a super-3 number, since 3×32641328³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32641328.

It is not an unprimeable number, because it can be changed into a prime (32641321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14153 + ... + 16296.

It is an arithmetic number, because the mean of its divisors is an integer number (3209430).

Almost surely, 2^32641328 is an apocalyptic number.

It is an amenable number.

32641328 is a deficient number, since it is larger than the sum of its proper divisors (31547272).

32641328 is a wasteful number, since it uses less digits than its factorization.

32641328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30524 (or 30518 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 32641328 is about 5713.2589648991. The cubic root of 32641328 is about 319.5871237704.

The spelling of 32641328 in words is "thirty-two million, six hundred forty-one thousand, three hundred twenty-eight".