338390 has 32 divisors (see below), whose sum is σ = 695520. Its totient is φ = 117504.

The previous prime is 338389. The next prime is 338407. The reversal of 338390 is 93833.

It is a super-2 number, since 2×338390² = 229015584200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2402 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (21735).

2³³⁸³⁹⁰ is an apocalyptic number.

338390 is an abundant number, since it is smaller than the sum of its proper divisors (357130).

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

338390 is a wasteful number, since it uses less digits than its factorization.

338390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 338390 is about 581.7129876494. The cubic root of 338390 is about 69.6849789955.

The spelling of 338390 in words is "three hundred thirty-eight thousand, three hundred ninety".