43964868 has 24 divisors (see below), whose sum is σ = 107045568. Its totient is φ = 14017696.

The previous prime is 43964861. The next prime is 43964903. The reversal of 43964868 is 86846934.

It is not an unprimeable number, because it can be changed into a prime (43964861) 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, 79371 + ... + 79922.

It is an arithmetic number, because the mean of its divisors is an integer number (4460232).

Almost surely, 2^43964868 is an apocalyptic number.

It is an amenable number.

43964868 is an abundant number, since it is smaller than the sum of its proper divisors (63080700).

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

43964868 is a wasteful number, since it uses less digits than its factorization.

43964868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159323 (or 159321 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 43964868 is about 6630.6008777486. The cubic root of 43964868 is about 352.9408477579.

The spelling of 43964868 in words is "forty-three million, nine hundred sixty-four thousand, eight hundred sixty-eight".