44087169 has 16 divisors (see below), whose sum is σ = 68744192. Its totient is φ = 24606288.

The previous prime is 44087167. The next prime is 44087189. The reversal of 44087169 is 96178044.

It is a happy number.

It is not a de Polignac number, because 44087169 - 2¹ = 44087167 is a prime.

It is a super-2 number, since 2×44087169² = 3887356940869122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44087167) 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 15 ways as a sum of consecutive naturals, for example, 23509 + ... + 25314.

It is an arithmetic number, because the mean of its divisors is an integer number (4296512).

Almost surely, 2^44087169 is an apocalyptic number.

It is an amenable number.

44087169 is a deficient number, since it is larger than the sum of its proper divisors (24657023).

44087169 is a wasteful number, since it uses less digits than its factorization.

44087169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48876.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 44087169 is about 6639.8169402477. The cubic root of 44087169 is about 353.2678137878.

The spelling of 44087169 in words is "forty-four million, eighty-seven thousand, one hundred sixty-nine".