44343891 has 12 divisors (see below), whose sum is σ = 67423720. Its totient is φ = 28006560.

The previous prime is 44343863. The next prime is 44343907. The reversal of 44343891 is 19834344.

It is not a de Polignac number, because 44343891 - 2⁷ = 44343763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44343811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129490 + ... + 129831.

Almost surely, 2^44343891 is an apocalyptic number.

44343891 is a deficient number, since it is larger than the sum of its proper divisors (23079829).

44343891 is a wasteful number, since it uses less digits than its factorization.

44343891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259346 (or 259343 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 44343891 is about 6659.1208879251. The cubic root of 44343891 is about 353.9521863987.

The spelling of 44343891 in words is "forty-four million, three hundred forty-three thousand, eight hundred ninety-one".