38799738 has 48 divisors (see below), whose sum is σ = 87609600. Its totient is φ = 12395040.

The previous prime is 38799737. The next prime is 38799743. The reversal of 38799738 is 83799783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38799731) 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, 124603 + ... + 124913.

It is an arithmetic number, because the mean of its divisors is an integer number (1825200).

Almost surely, 2^38799738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38799738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43804800).

38799738 is an abundant number, since it is smaller than the sum of its proper divisors (48809862).

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

38799738 is a wasteful number, since it uses less digits than its factorization.

38799738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 584 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 38799738 is about 6228.9435701409. The cubic root of 38799738 is about 338.5396942659.

The spelling of 38799738 in words is "thirty-eight million, seven hundred ninety-nine thousand, seven hundred thirty-eight".