44916689 has 4 divisors (see below), whose sum is σ = 46012260. Its totient is φ = 43821120.

The previous prime is 44916673. The next prime is 44916691. The reversal of 44916689 is 98661944.

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 9120400 + 35796289 = 3020^2 + 5983^2 .

It is a cyclic number.

It is not a de Polignac number, because 44916689 - 2⁴ = 44916673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44916629) 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, 547724 + ... + 547805.

It is an arithmetic number, because the mean of its divisors is an integer number (11503065).

Almost surely, 2^44916689 is an apocalyptic number.

It is an amenable number.

44916689 is a deficient number, since it is larger than the sum of its proper divisors (1095571).

44916689 is a wasteful number, since it uses less digits than its factorization.

44916689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095570.

The product of its digits is 373248, while the sum is 47.

The square root of 44916689 is about 6701.9914204660. The cubic root of 44916689 is about 355.4696923778.

The spelling of 44916689 in words is "forty-four million, nine hundred sixteen thousand, six hundred eighty-nine".