43799994 has 32 divisors (see below), whose sum is σ = 111239040. Its totient is φ = 12514176.

The previous prime is 43799983. The next prime is 43800019. The reversal of 43799994 is 49999734.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 43799994.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57559 + ... + 58314.

It is an arithmetic number, because the mean of its divisors is an integer number (3476220).

Almost surely, 2^43799994 is an apocalyptic number.

43799994 is an abundant number, since it is smaller than the sum of its proper divisors (67439046).

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

43799994 is a wasteful number, since it uses less digits than its factorization.

43799994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115891 (or 115885 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 43799994 is about 6618.1563898113. The cubic root of 43799994 is about 352.4991036645.

The spelling of 43799994 in words is "forty-three million, seven hundred ninety-nine thousand, nine hundred ninety-four".