43948799 has 4 divisors (see below), whose sum is σ = 44120064. Its totient is φ = 43777536.

The previous prime is 43948781. The next prime is 43948811. The reversal of 43948799 is 99784934.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43948799 - 2²⁰ = 42900223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43948799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43948759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85247 + ... + 85760.

It is an arithmetic number, because the mean of its divisors is an integer number (11030016).

Almost surely, 2^43948799 is an apocalyptic number.

43948799 is a deficient number, since it is larger than the sum of its proper divisors (171265).

43948799 is a wasteful number, since it uses less digits than its factorization.

43948799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171264.

The product of its digits is 1959552, while the sum is 53.

The square root of 43948799 is about 6629.3890367062. The cubic root of 43948799 is about 352.8978429843.

The spelling of 43948799 in words is "forty-three million, nine hundred forty-eight thousand, seven hundred ninety-nine".