38723836 has 12 divisors (see below), whose sum is σ = 69952960. Its totient is φ = 18737280.

The previous prime is 38723833. The next prime is 38723851. The reversal of 38723836 is 63832783.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38723831) 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, 156021 + ... + 156268.

Almost surely, 2^38723836 is an apocalyptic number.

It is an amenable number.

38723836 is a deficient number, since it is larger than the sum of its proper divisors (31229124).

38723836 is a wasteful number, since it uses less digits than its factorization.

38723836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312324 (or 312322 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 38723836 is about 6222.8479010819. The cubic root of 38723836 is about 338.3187940290.

The spelling of 38723836 in words is "thirty-eight million, seven hundred twenty-three thousand, eight hundred thirty-six".