38286438 has 32 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 12225696.

The previous prime is 38286407. The next prime is 38286449. The reversal of 38286438 is 83468283.

It is a self number, because there is not a number n which added to its sum of digits gives 38286438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23395 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^38286438 is an apocalyptic number.

38286438 is an abundant number, since it is smaller than the sum of its proper divisors (41547162).

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

38286438 is a wasteful number, since it uses less digits than its factorization.

38286438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its digits is 221184, while the sum is 42.

The square root of 38286438 is about 6187.6035748907. The cubic root of 38286438 is about 337.0401616909.

The spelling of 38286438 in words is "thirty-eight million, two hundred eighty-six thousand, four hundred thirty-eight".