32645385 has 24 divisors (see below), whose sum is σ = 57904704. Its totient is φ = 17004960.

The previous prime is 32645317. The next prime is 32645399. The reversal of 32645385 is 58354623.

It is a happy number.

32645385 is a `hidden beast` number, since 3 + 2 + 645 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 32645385 - 2¹⁰ = 32644361 is a prime.

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, 6501 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (2412696).

Almost surely, 2^32645385 is an apocalyptic number.

It is an amenable number.

32645385 is a deficient number, since it is larger than the sum of its proper divisors (25259319).

32645385 is a wasteful number, since it uses less digits than its factorization.

32645385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16925 (or 16922 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 32645385 is about 5713.6140051635. The cubic root of 32645385 is about 319.6003637469.

It can be divided in two parts, 3264 and 5385, that added together give a square (8649 = 93²).

The spelling of 32645385 in words is "thirty-two million, six hundred forty-five thousand, three hundred eighty-five".