38169089 has 18 divisors (see below), whose sum is σ = 45713430. Its totient is φ = 31776192.

The previous prime is 38169071. The next prime is 38169137. The reversal of 38169089 is 98096183.

It can be written as a sum of positive squares in 3 ways, for example, as 14500864 + 23668225 = 3808^2 + 4865^2 .

It is not a de Polignac number, because 38169089 - 2⁸ = 38168833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38169049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66797 + ... + 67365.

It is an arithmetic number, because the mean of its divisors is an integer number (2539635).

Almost surely, 2^38169089 is an apocalyptic number.

It is an amenable number.

38169089 is a deficient number, since it is larger than the sum of its proper divisors (7544341).

38169089 is an equidigital number, since it uses as much as digits as its factorization.

38169089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 38169089 is about 6178.1137088921. The cubic root of 38169089 is about 336.6954634497.

The spelling of 38169089 in words is "thirty-eight million, one hundred sixty-nine thousand, eighty-nine".