44287839 has 12 divisors (see below), whose sum is σ = 67734576. Its totient is φ = 27788352.

The previous prime is 44287823. The next prime is 44287849. The reversal of 44287839 is 93878244.

It is not a de Polignac number, because 44287839 - 2⁴ = 44287823 is a prime.

It is a super-2 number, since 2×44287839² = 3922825366579842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44287794 and 44287803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44287849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144579 + ... + 144884.

It is an arithmetic number, because the mean of its divisors is an integer number (5644548).

Almost surely, 2^44287839 is an apocalyptic number.

44287839 is a deficient number, since it is larger than the sum of its proper divisors (23446737).

44287839 is a wasteful number, since it uses less digits than its factorization.

44287839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289486 (or 289483 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 44287839 is about 6654.9108934681. The cubic root of 44287839 is about 353.8029881460.

The spelling of 44287839 in words is "forty-four million, two hundred eighty-seven thousand, eight hundred thirty-nine".