38671623 has 12 divisors (see below), whose sum is σ = 57369208. Its totient is φ = 25084080.

The previous prime is 38671613. The next prime is 38671649. The reversal of 38671623 is 32617683.

It is a happy number.

It is not a de Polignac number, because 38671623 - 2⁶ = 38671559 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 (38671613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57733 + ... + 58398.

Almost surely, 2^38671623 is an apocalyptic number.

38671623 is a deficient number, since it is larger than the sum of its proper divisors (18697585).

38671623 is a wasteful number, since it uses less digits than its factorization.

38671623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116174 (or 116171 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 38671623 is about 6218.6512203210. The cubic root of 38671623 is about 338.1666690822.

The spelling of 38671623 in words is "thirty-eight million, six hundred seventy-one thousand, six hundred twenty-three".