38223687 has 16 divisors (see below), whose sum is σ = 54014720. Its totient is φ = 23976000.

The previous prime is 38223683. The next prime is 38223697. The reversal of 38223687 is 78632283.

It is a happy number.

It is not a de Polignac number, because 38223687 - 2² = 38223683 is a prime.

It is a super-2 number, since 2×38223687² = 2922100495747938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38223683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6387 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (3375920).

Almost surely, 2^38223687 is an apocalyptic number.

38223687 is a deficient number, since it is larger than the sum of its proper divisors (15791033).

38223687 is a wasteful number, since it uses less digits than its factorization.

38223687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614.

The product of its digits is 96768, while the sum is 39.

The square root of 38223687 is about 6182.5307924830. The cubic root of 38223687 is about 336.8559261106.

The spelling of 38223687 in words is "thirty-eight million, two hundred twenty-three thousand, six hundred eighty-seven".