338445 has 32 divisors (see below), whose sum is σ = 633600. Its totient is φ = 171072.

The previous prime is 338431. The next prime is 338449. The reversal of 338445 is 544833.

It is a happy number.

It is not a de Polignac number, because 338445 - 2⁵ = 338413 is a prime.

It is a super-2 number, since 2×338445² = 229090036050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3051 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2³³⁸⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

338445 is a deficient number, since it is larger than the sum of its proper divisors (295155).

338445 is a wasteful number, since it uses less digits than its factorization.

338445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 338445 is about 581.7602599009. The cubic root of 338445 is about 69.6887541919.

The spelling of 338445 in words is "three hundred thirty-eight thousand, four hundred forty-five".