44449997 has 4 divisors (see below), whose sum is σ = 44733276. Its totient is φ = 44166720.

The previous prime is 44449991. The next prime is 44450009. The reversal of 44449997 is 79994444.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8797156 + 35652841 = 2966^2 + 5971^2 .

It is a cyclic number.

It is not a de Polignac number, because 44449997 - 2⁴ = 44449981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44449991) 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, 141404 + ... + 141717.

It is an arithmetic number, because the mean of its divisors is an integer number (11183319).

Almost surely, 2^44449997 is an apocalyptic number.

It is an amenable number.

44449997 is a deficient number, since it is larger than the sum of its proper divisors (283279).

44449997 is a wasteful number, since it uses less digits than its factorization.

44449997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283278.

The product of its digits is 1306368, while the sum is 50.

The square root of 44449997 is about 6667.0830953274. The cubic root of 44449997 is about 354.2342736235.

It can be divided in two parts, 4444 and 9997, that added together give a palindrome (14441).

The spelling of 44449997 in words is "forty-four million, four hundred forty-nine thousand, nine hundred ninety-seven".