44889213 has 4 divisors (see below), whose sum is σ = 59852288. Its totient is φ = 29926140.

The previous prime is 44889203. The next prime is 44889217. The reversal of 44889213 is 31298844.

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 44889213 - 2⁶ = 44889149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44889217) 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, 7481533 + ... + 7481538.

It is an arithmetic number, because the mean of its divisors is an integer number (14963072).

Almost surely, 2^44889213 is an apocalyptic number.

It is an amenable number.

44889213 is a deficient number, since it is larger than the sum of its proper divisors (14963075).

44889213 is a wasteful number, since it uses less digits than its factorization.

44889213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963074.

The product of its digits is 55296, while the sum is 39.

The square root of 44889213 is about 6699.9412683993. The cubic root of 44889213 is about 355.3971961063.

The spelling of 44889213 in words is "forty-four million, eight hundred eighty-nine thousand, two hundred thirteen".