38873791 has 24 divisors (see below), whose sum is σ = 46294640. Its totient is φ = 32503680.

The previous prime is 38873773. The next prime is 38873803. The reversal of 38873791 is 19737883.

It is a happy number.

It is not a de Polignac number, because 38873791 - 2⁹ = 38873279 is a prime.

It is a super-2 number, since 2×38873791² = 3022343253423362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38873711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84835 + ... + 85291.

Almost surely, 2^38873791 is an apocalyptic number.

38873791 is a deficient number, since it is larger than the sum of its proper divisors (7420849).

38873791 is a wasteful number, since it uses less digits than its factorization.

38873791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 524 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 38873791 is about 6234.8850029491. The cubic root of 38873791 is about 338.7549358177.

The spelling of 38873791 in words is "thirty-eight million, eight hundred seventy-three thousand, seven hundred ninety-one".