44616389 has 16 divisors (see below), whose sum is σ = 49353600. Its totient is φ = 40220928.

The previous prime is 44616367. The next prime is 44616419. The reversal of 44616389 is 98361644.

It is not a de Polignac number, because 44616389 - 2⁸ = 44616133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44616349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231077 + ... + 231269.

It is an arithmetic number, because the mean of its divisors is an integer number (3084600).

Almost surely, 2^44616389 is an apocalyptic number.

It is an amenable number.

44616389 is a deficient number, since it is larger than the sum of its proper divisors (4737211).

44616389 is an equidigital number, since it uses as much as digits as its factorization.

44616389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 235 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 44616389 is about 6679.5500596971. The cubic root of 44616389 is about 354.6757311354.

The spelling of 44616389 in words is "forty-four million, six hundred sixteen thousand, three hundred eighty-nine".