38612969 has 4 divisors (see below), whose sum is σ = 38752644. Its totient is φ = 38473296.

The previous prime is 38612957. The next prime is 38612989. The reversal of 38612969 is 96921683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 31214569 = 2720^2 + 5587^2 .

It is a cyclic number.

It is not a de Polignac number, because 38612969 - 2⁸ = 38612713 is a prime.

It is a super-2 number, since 2×38612969² = 2981922749989922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38612989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69422 + ... + 69975.

It is an arithmetic number, because the mean of its divisors is an integer number (9688161).

Almost surely, 2^38612969 is an apocalyptic number.

It is an amenable number.

38612969 is a deficient number, since it is larger than the sum of its proper divisors (139675).

38612969 is a wasteful number, since it uses less digits than its factorization.

38612969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139674.

The product of its digits is 139968, while the sum is 44.

The square root of 38612969 is about 6213.9334563544. The cubic root of 38612969 is about 337.9956145924.

The spelling of 38612969 in words is "thirty-eight million, six hundred twelve thousand, nine hundred sixty-nine".