38109969 has 12 divisors (see below), whose sum is σ = 55210896. Its totient is φ = 25331352.

The previous prime is 38109949. The next prime is 38109977. The reversal of 38109969 is 96990183.

It is not a de Polignac number, because 38109969 - 2¹⁵ = 38077201 is a prime.

It is a super-2 number, since 2×38109969² = 2904739474361922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38109949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2979 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (4600908).

Almost surely, 2^38109969 is an apocalyptic number.

It is an amenable number.

38109969 is a deficient number, since it is larger than the sum of its proper divisors (17100927).

38109969 is a wasteful number, since it uses less digits than its factorization.

38109969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12556 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 38109969 is about 6173.3272228192. The cubic root of 38109969 is about 336.5215380533.

The spelling of 38109969 in words is "thirty-eight million, one hundred nine thousand, nine hundred sixty-nine".