38423872 has 28 divisors (see below), whose sum is σ = 76846176. Its totient is φ = 19061120.

The previous prime is 38423843. The next prime is 38423873. The reversal of 38423872 is 27832483.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38423873) 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, 6093 + ... + 10675.

Almost surely, 2^38423872 is an apocalyptic number.

38423872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38423872 is a deficient number, since it is larger than the sum of its proper divisors (38422304).

38423872 is a wasteful number, since it uses less digits than its factorization.

38423872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4716 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 38423872 is about 6198.6992183845. The cubic root of 38423872 is about 337.4429628350.

The spelling of 38423872 in words is "thirty-eight million, four hundred twenty-three thousand, eight hundred seventy-two".