238743 has 12 divisors (see below), whose sum is σ = 353808. Its totient is φ = 155040.

The previous prime is 238729. The next prime is 238747. The reversal of 238743 is 347832.

238743 is nontrivially palindromic in base 2 and base 8.

It is not a de Polignac number, because 238743 - 2⁴ = 238727 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2²³⁸⁷⁴³ is an apocalyptic number.

238743 is a deficient number, since it is larger than the sum of its proper divisors (115065).

238743 is a wasteful number, since it uses less digits than its factorization.

238743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 691 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 238743 is about 488.6133440667. The cubic root of 238743 is about 62.0359659515.

The spelling of 238743 in words is "two hundred thirty-eight thousand, seven hundred forty-three".