44820889 has 4 divisors (see below), whose sum is σ = 44877924. Its totient is φ = 44763856.

The previous prime is 44820869. The next prime is 44820899. The reversal of 44820889 is 98802844.

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 23040000 + 21780889 = 4800^2 + 4667^2 .

It is a cyclic number.

It is not a de Polignac number, because 44820889 - 2¹¹ = 44818841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44820869) 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, 27322 + ... + 28915.

It is an arithmetic number, because the mean of its divisors is an integer number (11219481).

Almost surely, 2^44820889 is an apocalyptic number.

It is an amenable number.

44820889 is a deficient number, since it is larger than the sum of its proper divisors (57035).

44820889 is an equidigital number, since it uses as much as digits as its factorization.

44820889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57034.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 44820889 is about 6694.8404760681. The cubic root of 44820889 is about 355.2167927944.

The spelling of 44820889 in words is "forty-four million, eight hundred twenty thousand, eight hundred eighty-nine".