38656823 has 4 divisors (see below), whose sum is σ = 39701640. Its totient is φ = 37612008.

The previous prime is 38656819. The next prime is 38656829. The reversal of 38656823 is 32865683.

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

It is a cyclic number.

It is not a de Polignac number, because 38656823 - 2² = 38656819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38656829) 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, 522353 + ... + 522426.

It is an arithmetic number, because the mean of its divisors is an integer number (9925410).

Almost surely, 2^38656823 is an apocalyptic number.

38656823 is a deficient number, since it is larger than the sum of its proper divisors (1044817).

38656823 is a wasteful number, since it uses less digits than its factorization.

38656823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044816.

The product of its digits is 207360, while the sum is 41.

The square root of 38656823 is about 6217.4611377957. The cubic root of 38656823 is about 338.1235237048.

The spelling of 38656823 in words is "thirty-eight million, six hundred fifty-six thousand, eight hundred twenty-three".