44469389 has 2 divisors, whose sum is σ = 44469390. Its totient is φ = 44469388.

The previous prime is 44469371. The next prime is 44469457. The reversal of 44469389 is 98396444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27741289 + 16728100 = 5267^2 + 4090^2 .

It is a cyclic number.

It is not a de Polignac number, because 44469389 - 2²⁰ = 43420813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44469589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22234694 + 22234695.

It is an arithmetic number, because the mean of its divisors is an integer number (22234695).

Almost surely, 2^44469389 is an apocalyptic number.

It is an amenable number.

44469389 is a deficient number, since it is larger than the sum of its proper divisors (1).

44469389 is an equidigital number, since it uses as much as digits as its factorization.

44469389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The square root of 44469389 is about 6668.5372459033. The cubic root of 44469389 is about 354.2857795312.

The spelling of 44469389 in words is "forty-four million, four hundred sixty-nine thousand, three hundred eighty-nine".