38807969 has 6 divisors (see below), whose sum is σ = 40569186. Its totient is φ = 37120160.

The previous prime is 38807963. The next prime is 38807981. The reversal of 38807969 is 96970883.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 1658944 = 6095^2 + 1288^2 .

It is not a de Polignac number, because 38807969 - 2¹⁶ = 38742433 is a prime.

It is a super-2 number, since 2×38807969² = 3012116915809922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38807963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36152 + ... + 37209.

It is an arithmetic number, because the mean of its divisors is an integer number (6761531).

Almost surely, 2^38807969 is an apocalyptic number.

It is an amenable number.

38807969 is a deficient number, since it is larger than the sum of its proper divisors (1761217).

38807969 is an equidigital number, since it uses as much as digits as its factorization.

38807969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73407 (or 73384 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 38807969 is about 6229.6042410413. The cubic root of 38807969 is about 338.5636319120.

The spelling of 38807969 in words is "thirty-eight million, eight hundred seven thousand, nine hundred sixty-nine".