238407 has 8 divisors (see below), whose sum is σ = 342384. Its totient is φ = 146688.

The previous prime is 238397. The next prime is 238417. The reversal of 238407 is 704832.

It is an interprime number because it is at equal distance from previous prime (238397) and next prime (238417).

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

It is not a de Polignac number, because 238407 - 2⁸ = 238151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (42798).

2²³⁸⁴⁰⁷ is an apocalyptic number.

238407 is a deficient number, since it is larger than the sum of its proper divisors (103977).

238407 is a wasteful number, since it uses less digits than its factorization.

238407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 238407 is about 488.2693928560. The cubic root of 238407 is about 62.0068497462.

The spelling of 238407 in words is "two hundred thirty-eight thousand, four hundred seven".