44047689 has 32 divisors (see below), whose sum is σ = 69335040. Its totient is φ = 24354432.

The previous prime is 44047687. The next prime is 44047699. The reversal of 44047689 is 98674044.

It is not a de Polignac number, because 44047689 - 2¹ = 44047687 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44047689.

It is not an unprimeable number, because it can be changed into a prime (44047687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90204 + ... + 90690.

It is an arithmetic number, because the mean of its divisors is an integer number (2166720).

Almost surely, 2^44047689 is an apocalyptic number.

It is an amenable number.

44047689 is a deficient number, since it is larger than the sum of its proper divisors (25287351).

44047689 is a wasteful number, since it uses less digits than its factorization.

44047689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 44047689 is about 6636.8433008472. The cubic root of 44047689 is about 353.1623320126.

The spelling of 44047689 in words is "forty-four million, forty-seven thousand, six hundred eighty-nine".