38885969 has 6 divisors (see below), whose sum is σ = 39382470. Its totient is φ = 38390880.

The previous prime is 38885947. The next prime is 38885983. The reversal of 38885969 is 96958883.

It can be written as a sum of positive squares in 3 ways, for example, as 10316944 + 28569025 = 3212^2 + 5345^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38885969 is a prime.

It is a super-2 number, since 2×38885969² = 3024237170137922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38885269) 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 5 ways as a sum of consecutive naturals, for example, 58499 + ... + 59159.

It is an arithmetic number, because the mean of its divisors is an integer number (6563745).

Almost surely, 2^38885969 is an apocalyptic number.

It is an amenable number.

38885969 is a deficient number, since it is larger than the sum of its proper divisors (496501).

38885969 is an frugal number, since it uses more digits than its factorization.

38885969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 750 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 56.

The square root of 38885969 is about 6235.8615282894. The cubic root of 38885969 is about 338.7903060658.

The spelling of 38885969 in words is "thirty-eight million, eight hundred eighty-five thousand, nine hundred sixty-nine".