38143936 has 28 divisors (see below), whose sum is σ = 78985872. Its totient is φ = 18242048.

The previous prime is 38143933. The next prime is 38143939. The reversal of 38143936 is 63934183.

It is an interprime number because it is at equal distance from previous prime (38143933) and next prime (38143939).

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 junction number, because it is equal to n+sod(n) for n = 38143895 and 38143904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38143933) 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, 11485 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (2820924).

Almost surely, 2^38143936 is an apocalyptic number.

It is an amenable number.

38143936 is an abundant number, since it is smaller than the sum of its proper divisors (40841936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38143936 is a wasteful number, since it uses less digits than its factorization.

38143936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25948 (or 25938 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 38143936 is about 6176.0777197182. The cubic root of 38143936 is about 336.6214876908.

It can be divided in two parts, 3814 and 3936, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 38143936 in words is "thirty-eight million, one hundred forty-three thousand, nine hundred thirty-six".