338690 has 16 divisors (see below), whose sum is σ = 665280. Its totient is φ = 123120.

The previous prime is 338687. The next prime is 338707. The reversal of 338690 is 96833.

338690 = 335² + 336² + 337².

It is a super-2 number, since 2×338690² = 229421832200, which contains 22 as substring.

It is a nialpdrome in base 13.

It is an unprimeable number.

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, 1430 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2³³⁸⁶⁹⁰ is an apocalyptic number.

338690 is a deficient number, since it is larger than the sum of its proper divisors (326590).

338690 is a wasteful number, since it uses less digits than its factorization.

338690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 338690 is about 581.9707896450. The cubic root of 338690 is about 69.7055660093.

The spelling of 338690 in words is "three hundred thirty-eight thousand, six hundred ninety".