44031685 has 4 divisors (see below), whose sum is σ = 52838028. Its totient is φ = 35225344.

The previous prime is 44031671. The next prime is 44031697. The reversal of 44031685 is 58613044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9351364 + 34680321 = 3058^2 + 5889^2 .

It is a cyclic number.

It is not a de Polignac number, because 44031685 - 2⁵ = 44031653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403164 + ... + 4403173.

It is an arithmetic number, because the mean of its divisors is an integer number (13209507).

Almost surely, 2^44031685 is an apocalyptic number.

It is an amenable number.

44031685 is a deficient number, since it is larger than the sum of its proper divisors (8806343).

44031685 is an equidigital number, since it uses as much as digits as its factorization.

44031685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806342.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 44031685 is about 6635.6374976335. The cubic root of 44031685 is about 353.1195549321.

The spelling of 44031685 in words is "forty-four million, thirty-one thousand, six hundred eighty-five".