38090736 has 120 divisors (see below), whose sum is σ = 112794864. Its totient is φ = 12441600.

The previous prime is 38090711. The next prime is 38090749. The reversal of 38090736 is 63709083.

38090736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 38090736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377086 + ... + 377186.

Almost surely, 2^38090736 is an apocalyptic number.

38090736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38090736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56397432).

38090736 is an abundant number, since it is smaller than the sum of its proper divisors (74704128).

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

38090736 is a wasteful number, since it uses less digits than its factorization.

38090736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 38090736 is about 6171.7692763097. The cubic root of 38090736 is about 336.4649176290.

The spelling of 38090736 in words is "thirty-eight million, ninety thousand, seven hundred thirty-six".