44000399 has 2 divisors, whose sum is σ = 44000400. Its totient is φ = 44000398.

The previous prime is 44000381. The next prime is 44000401. The reversal of 44000399 is 99300044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44000399 is a prime.

It is a super-2 number, since 2×44000399² = 3872070224318402, which contains 22 as substring.

Together with 44000401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44000329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000199 + 22000200.

It is an arithmetic number, because the mean of its divisors is an integer number (22000200).

Almost surely, 2^44000399 is an apocalyptic number.

44000399 is a deficient number, since it is larger than the sum of its proper divisors (1).

44000399 is an equidigital number, since it uses as much as digits as its factorization.

44000399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 44000399 is about 6633.2796563992. The cubic root of 44000399 is about 353.0359006574.

The spelling of 44000399 in words is "forty-four million, three hundred ninety-nine", and thus it is an aban number.