38428286 has 32 divisors (see below), whose sum is σ = 64229760. Its totient is φ = 17132544.

The previous prime is 38428223. The next prime is 38428289. The reversal of 38428286 is 68282483.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38428289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108686 + ... + 109038.

It is an arithmetic number, because the mean of its divisors is an integer number (2007180).

Almost surely, 2^38428286 is an apocalyptic number.

38428286 is a deficient number, since it is larger than the sum of its proper divisors (25801474).

38428286 is a wasteful number, since it uses less digits than its factorization.

38428286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 147456, while the sum is 41.

The square root of 38428286 is about 6199.0552506007. The cubic root of 38428286 is about 337.4558837626.

The spelling of 38428286 in words is "thirty-eight million, four hundred twenty-eight thousand, two hundred eighty-six".