44448889 has 9 divisors (see below), whose sum is σ = 45618703. Its totient is φ = 43308832.

The previous prime is 44448883. The next prime is 44448917. The reversal of 44448889 is 98884444.

The square root of 44448889 is 6667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 43665664 = 885^2 + 6608^2 .

It is not a de Polignac number, because 44448889 - 2⁹ = 44448377 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44448883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 393297 + ... + 393409.

Almost surely, 2^44448889 is an apocalyptic number.

44448889 is the 6667-th square number.

44448889 is the 3334-th centered octagonal number.

It is an amenable number.

44448889 is a deficient number, since it is larger than the sum of its proper divisors (1169814).

44448889 is an frugal number, since it uses more digits than its factorization.

44448889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 172 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 49.

The cubic root of 44448889 is about 354.2313302799.

Multiplying 44448889 by its sum of digits (49), we get a square (2177995561 = 46669²).

It can be divided in two parts, 4444 and 8889, that multiplied together give a triangular number (39502716 = T₈₈₈₈).

The spelling of 44448889 in words is "forty-four million, four hundred forty-eight thousand, eight hundred eighty-nine".