38013969 has 16 divisors (see below), whose sum is σ = 58040192. Its totient is φ = 21679488.

The previous prime is 38013959. The next prime is 38014013. The reversal of 38013969 is 96931083.

It is not a de Polignac number, because 38013969 - 2¹⁵ = 37981201 is a prime.

It is a super-2 number, since 2×38013969² = 2890123678265922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38013959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11397 + ... + 14349.

It is an arithmetic number, because the mean of its divisors is an integer number (3627512).

Almost surely, 2^38013969 is an apocalyptic number.

It is an amenable number.

38013969 is a deficient number, since it is larger than the sum of its proper divisors (20026223).

38013969 is a wasteful number, since it uses less digits than its factorization.

38013969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 38013969 is about 6165.5469343765. The cubic root of 38013969 is about 336.2387316281.

The spelling of 38013969 in words is "thirty-eight million, thirteen thousand, nine hundred sixty-nine".