44005399 has 8 divisors (see below), whose sum is σ = 46105088. Its totient is φ = 41948280.

The previous prime is 44005393. The next prime is 44005439. The reversal of 44005399 is 99350044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44005399 - 2⁷ = 44005271 is a prime.

It is a super-2 number, since 2×44005399² = 3872950282298402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44005393) 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, 8517 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (5763136).

Almost surely, 2^44005399 is an apocalyptic number.

44005399 is a deficient number, since it is larger than the sum of its proper divisors (2099689).

44005399 is a wasteful number, since it uses less digits than its factorization.

44005399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21285.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 44005399 is about 6633.6565331648. The cubic root of 44005399 is about 353.0492726016.

The spelling of 44005399 in words is "forty-four million, five thousand, three hundred ninety-nine".