43999794 has 32 divisors (see below), whose sum is σ = 98965440. Its totient is φ = 14488416.

The previous prime is 43999789. The next prime is 43999799. The reversal of 43999794 is 49799934.

43999794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43999789) and next prime (43999799).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43999794.

It is not an unprimeable number, because it can be changed into a prime (43999799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427 + ... + 9390.

It is an arithmetic number, because the mean of its divisors is an integer number (3092670).

Almost surely, 2^43999794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43999794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49482720).

43999794 is an abundant number, since it is smaller than the sum of its proper divisors (54965646).

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

43999794 is a wasteful number, since it uses less digits than its factorization.

43999794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911 (or 9905 counting only the distinct ones).

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

The square root of 43999794 is about 6633.2340528584. The cubic root of 43999794 is about 353.0342825834.

The spelling of 43999794 in words is "forty-three million, nine hundred ninety-nine thousand, seven hundred ninety-four".