38290 has 16 divisors (see below), whose sum is σ = 78912. Its totient is φ = 13104.

The previous prime is 38287. The next prime is 38299. The reversal of 38290 is 9283.

It is a super-2 number, since 2×38290² = 2932248200, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (38299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204 + ... + 343.

It is an arithmetic number, because the mean of its divisors is an integer number (4932).

2³⁸²⁹⁰ is an apocalyptic number.

38290 is an abundant number, since it is smaller than the sum of its proper divisors (40622).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39456).

38290 is a wasteful number, since it uses less digits than its factorization.

38290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 38290 is about 195.6783074334. The cubic root of 38290 is about 33.7050613606.

The spelling of 38290 in words is "thirty-eight thousand, two hundred ninety".