38190528 has 140 divisors (see below), whose sum is σ = 116174520. Its totient is φ = 12400128.

The previous prime is 38190521. The next prime is 38190563. The reversal of 38190528 is 82509183.

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

It is a junction number, because it is equal to n+sod(n) for n = 38190492 and 38190501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38190521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274683 + ... + 274821.

It is an arithmetic number, because the mean of its divisors is an integer number (829818).

Almost surely, 2^38190528 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 38190528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58087260).

38190528 is an abundant number, since it is smaller than the sum of its proper divisors (77983992).

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

38190528 is a wasteful number, since it uses less digits than its factorization.

38190528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 38190528 is about 6179.8485418334. The cubic root of 38190528 is about 336.7584905672.

It can be divided in two parts, 381 and 90528, that added together give a palindrome (90909).

The spelling of 38190528 in words is "thirty-eight million, one hundred ninety thousand, five hundred twenty-eight".