38290392 has 192 divisors, whose sum is σ = 129729600. Its totient is φ = 9953280.

The previous prime is 38290379. The next prime is 38290397. The reversal of 38290392 is 29309283.

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

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38290397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351234 + ... + 351342.

It is an arithmetic number, because the mean of its divisors is an integer number (675675).

Almost surely, 2^38290392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38290392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64864800).

38290392 is an abundant number, since it is smaller than the sum of its proper divisors (91439208).

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

38290392 is a wasteful number, since it uses less digits than its factorization.

38290392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 38290392 is about 6187.9230764450. The cubic root of 38290392 is about 337.0517638055.

The spelling of 38290392 in words is "thirty-eight million, two hundred ninety thousand, three hundred ninety-two".