38428250 has 48 divisors (see below), whose sum is σ = 83709288. Its totient is φ = 13171200.

The previous prime is 38428223. The next prime is 38428289. The reversal of 38428250 is 5282483.

38428250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25331089 + 13097161 = 5033^2 + 3619^2 .

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, 10682 + ... + 13818.

Almost surely, 2^38428250 is an apocalyptic number.

38428250 is an abundant number, since it is smaller than the sum of its proper divisors (45281038).

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

38428250 is a wasteful number, since it uses less digits than its factorization.

38428250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 38428250 is about 6199.0523469317. The cubic root of 38428250 is about 337.4557783853.

The spelling of 38428250 in words is "thirty-eight million, four hundred twenty-eight thousand, two hundred fifty".