338890 has 8 divisors (see below), whose sum is σ = 610020. Its totient is φ = 135552.

The previous prime is 338867. The next prime is 338893. The reversal of 338890 is 98833.

338890 = T₁₇₄ + T₁₇₅ + ... + T₁₉₃.

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 15129 = 569^2 + 123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×338890² = 229692864200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16935 + ... + 16954.

2³³⁸⁸⁹⁰ is an apocalyptic number.

338890 is a deficient number, since it is larger than the sum of its proper divisors (271130).

338890 is a wasteful number, since it uses less digits than its factorization.

338890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33896.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 338890 is about 582.1425942155. The cubic root of 338890 is about 69.7192839322.

The spelling of 338890 in words is "three hundred thirty-eight thousand, eight hundred ninety".