8641432 has 16 divisors (see below), whose sum is σ = 16244640. Its totient is φ = 4309536.

The previous prime is 8641429. The next prime is 8641433. The reversal of 8641432 is 2341468.

8641432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 8641432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641433) 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, 2538 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (1015290).

Almost surely, 2^8641432 is an apocalyptic number.

It is an amenable number.

8641432 is a deficient number, since it is larger than the sum of its proper divisors (7603208).

8641432 is a wasteful number, since it uses less digits than its factorization.

8641432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2798 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 8641432 is about 2939.6312693942. The cubic root of 8641432 is about 205.2084494822.

The spelling of 8641432 in words is "eight million, six hundred forty-one thousand, four hundred thirty-two".