44368921 has 3 divisors (see below), whose sum is σ = 44375583. Its totient is φ = 44362260.

The previous prime is 44368879. The next prime is 44368937. The reversal of 44368921 is 12986344.

The square root of 44368921 is 6661.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 2624400 = 6461^2 + 1620^2 .

It is not a de Polignac number, because 44368921 - 2¹¹ = 44366873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44368981) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3331 + ... + 9991.

It is an arithmetic number, because the mean of its divisors is an integer number (14791861).

Almost surely, 2^44368921 is an apocalyptic number.

44368921 is the 6661-st square number.

44368921 is the 3331-st centered octagonal number.

It is an amenable number.

44368921 is a deficient number, since it is larger than the sum of its proper divisors (6662).

44368921 is an frugal number, since it uses more digits than its factorization.

44368921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13322 (or 6661 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The cubic root of 44368921 is about 354.0187702178.

The spelling of 44368921 in words is "forty-four million, three hundred sixty-eight thousand, nine hundred twenty-one".