338455 has 16 divisors (see below), whose sum is σ = 451584. Its totient is φ = 241920.

The previous prime is 338449. The next prime is 338461. The reversal of 338455 is 554833.

338455 = 235² + 236² + ... + 240².

It is an interprime number because it is at equal distance from previous prime (338449) and next prime (338461).

It is not a de Polignac number, because 338455 - 2⁵ = 338423 is a prime.

It is a super-2 number, since 2×338455² = 229103574050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

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, 2602 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (28224).

2³³⁸⁴⁵⁵ is an apocalyptic number.

338455 is a deficient number, since it is larger than the sum of its proper divisors (113129).

338455 is a wasteful number, since it uses less digits than its factorization.

338455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its digits is 7200, while the sum is 28.

The square root of 338455 is about 581.7688544431. The cubic root of 338455 is about 69.6894405474.

The spelling of 338455 in words is "three hundred thirty-eight thousand, four hundred fifty-five".