44290989 has 16 divisors (see below), whose sum is σ = 67144000. Its totient is φ = 28839888.

The previous prime is 44290979. The next prime is 44290993. The reversal of 44290989 is 98909244.

It is not a de Polignac number, because 44290989 - 2¹⁶ = 44225453 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 (44290949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17914 + ... + 20235.

It is an arithmetic number, because the mean of its divisors is an integer number (4196500).

Almost surely, 2^44290989 is an apocalyptic number.

It is an amenable number.

44290989 is a deficient number, since it is larger than the sum of its proper divisors (22853011).

44290989 is a wasteful number, since it uses less digits than its factorization.

44290989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38201 (or 38195 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 44290989 is about 6655.1475565911. The cubic root of 44290989 is about 353.8113760995.

The spelling of 44290989 in words is "forty-four million, two hundred ninety thousand, nine hundred eighty-nine".