44917389 has 16 divisors (see below), whose sum is σ = 72594240. Its totient is φ = 27222480.

The previous prime is 44917381. The next prime is 44917399. The reversal of 44917389 is 98371944.

44917389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44917389 - 2³ = 44917381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44917381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75322 + ... + 75915.

It is an arithmetic number, because the mean of its divisors is an integer number (4537140).

Almost surely, 2^44917389 is an apocalyptic number.

It is an amenable number.

44917389 is a deficient number, since it is larger than the sum of its proper divisors (27676851).

44917389 is a wasteful number, since it uses less digits than its factorization.

44917389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151257 (or 151251 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 44917389 is about 6702.0436435463. The cubic root of 44917389 is about 355.4715389631.

The spelling of 44917389 in words is "forty-four million, nine hundred seventeen thousand, three hundred eighty-nine".