44621393 has 2 divisors, whose sum is σ = 44621394. Its totient is φ = 44621392.

The previous prime is 44621309. The next prime is 44621399. The reversal of 44621393 is 39312644.

44621393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 10316944 = 5857^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 44621393 - 2¹⁴ = 44605009 is a prime.

It is not a weakly prime, because it can be changed into another prime (44621399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22310696 + 22310697.

It is an arithmetic number, because the mean of its divisors is an integer number (22310697).

Almost surely, 2^44621393 is an apocalyptic number.

It is an amenable number.

44621393 is a deficient number, since it is larger than the sum of its proper divisors (1).

44621393 is an equidigital number, since it uses as much as digits as its factorization.

44621393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 44621393 is about 6679.9246253233. The cubic root of 44621393 is about 354.6889903215.

The spelling of 44621393 in words is "forty-four million, six hundred twenty-one thousand, three hundred ninety-three".