44081997 has 4 divisors (see below), whose sum is σ = 58776000. Its totient is φ = 29387996.

The previous prime is 44081993. The next prime is 44082013. The reversal of 44081997 is 79918044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44081997 - 2² = 44081993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44081993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7346997 + ... + 7347002.

It is an arithmetic number, because the mean of its divisors is an integer number (14694000).

Almost surely, 2^44081997 is an apocalyptic number.

It is an amenable number.

44081997 is a deficient number, since it is larger than the sum of its proper divisors (14694003).

44081997 is a wasteful number, since it uses less digits than its factorization.

44081997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694002.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 44081997 is about 6639.4274602559. The cubic root of 44081997 is about 353.2539989400.

The spelling of 44081997 in words is "forty-four million, eighty-one thousand, nine hundred ninety-seven".