8013432 has 32 divisors (see below), whose sum is σ = 22896000. Its totient is φ = 2289504.

The previous prime is 8013403. The next prime is 8013433. The reversal of 8013432 is 2343108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 8013399 and 8013408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23682 + ... + 24017.

It is an arithmetic number, because the mean of its divisors is an integer number (715500).

Almost surely, 2^8013432 is an apocalyptic number.

It is an amenable number.

8013432 is an abundant number, since it is smaller than the sum of its proper divisors (14882568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8013432 is a wasteful number, since it uses less digits than its factorization.

8013432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47715 (or 47711 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8013432 is about 2830.8005934717. The cubic root of 8013432 is about 200.1118707463. Note that the first 3 decimals are identical.

The spelling of 8013432 in words is "eight million, thirteen thousand, four hundred thirty-two".