38795681 has 4 divisors (see below), whose sum is σ = 38826672. Its totient is φ = 38764692.

The previous prime is 38795657. The next prime is 38795699. The reversal of 38795681 is 18659783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38795681 - 2²² = 34601377 is a prime.

It is a super-2 number, since 2×38795681² = 3010209728507522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38795381) 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, 13535 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (9706668).

Almost surely, 2^38795681 is an apocalyptic number.

It is an amenable number.

38795681 is a deficient number, since it is larger than the sum of its proper divisors (30991).

38795681 is a wasteful number, since it uses less digits than its factorization.

38795681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30990.

The product of its digits is 362880, while the sum is 47.

The square root of 38795681 is about 6228.6179044793. The cubic root of 38795681 is about 338.5278943287.

The spelling of 38795681 in words is "thirty-eight million, seven hundred ninety-five thousand, six hundred eighty-one".