43994532 has 24 divisors (see below), whose sum is σ = 102903136. Its totient is φ = 14629248.

The previous prime is 43994501. The next prime is 43994539. The reversal of 43994532 is 23549934.

It is not an unprimeable number, because it can be changed into a prime (43994539) 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, 963 + ... + 9429.

Almost surely, 2^43994532 is an apocalyptic number.

It is an amenable number.

43994532 is an abundant number, since it is smaller than the sum of its proper divisors (58908604).

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

43994532 is a wasteful number, since it uses less digits than its factorization.

43994532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907 (or 8905 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 43994532 is about 6632.8374018967. The cubic root of 43994532 is about 353.0202087262.

The spelling of 43994532 in words is "forty-three million, nine hundred ninety-four thousand, five hundred thirty-two".