43970432 has 96 divisors (see below), whose sum is σ = 102558960. Its totient is φ = 18698240.

The previous prime is 43970429. The next prime is 43970461. The reversal of 43970432 is 23407934.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263213 + ... + 263379.

Almost surely, 2^43970432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43970432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51279480).

43970432 is an abundant number, since it is smaller than the sum of its proper divisors (58588528).

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

43970432 is a wasteful number, since it uses less digits than its factorization.

43970432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 43970432 is about 6631.0204342921. The cubic root of 43970432 is about 352.9557360094.

The spelling of 43970432 in words is "forty-three million, nine hundred seventy thousand, four hundred thirty-two".