238456 has 16 divisors (see below), whose sum is σ = 458640. Its totient is φ = 116160.

The previous prime is 238451. The next prime is 238463. The reversal of 238456 is 654832.

It is a super-2 number, since 2×238456² = 113722527872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238451) 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, 36 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (28665).

238456 is a Friedman number, since it can be written as 62^3+4^5/8, using all its digits and the basic arithmetic operations.

2²³⁸⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

238456 is a deficient number, since it is larger than the sum of its proper divisors (220184).

238456 is a wasteful number, since it uses less digits than its factorization.

238456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 238456 is about 488.3195674965. The cubic root of 238456 is about 62.0110975626.

The spelling of 238456 in words is "two hundred thirty-eight thousand, four hundred fifty-six".