44416389 has 4 divisors (see below), whose sum is σ = 59221856. Its totient is φ = 29610924.

The previous prime is 44416387. The next prime is 44416403. The reversal of 44416389 is 98361444.

It is a happy number.

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 not a de Polignac number, because 44416389 - 2¹ = 44416387 is a prime.

It is a super-2 number, since 2×44416389² = 3945631223598642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44416387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7402729 + ... + 7402734.

It is an arithmetic number, because the mean of its divisors is an integer number (14805464).

Almost surely, 2^44416389 is an apocalyptic number.

It is an amenable number.

44416389 is a deficient number, since it is larger than the sum of its proper divisors (14805467).

44416389 is a wasteful number, since it uses less digits than its factorization.

44416389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14805466.

The product of its digits is 82944, while the sum is 39.

The square root of 44416389 is about 6664.5621761673. The cubic root of 44416389 is about 354.1449739762.

The spelling of 44416389 in words is "forty-four million, four hundred sixteen thousand, three hundred eighty-nine".