234397 has 4 divisors (see below), whose sum is σ = 240156. Its totient is φ = 228640.

The previous prime is 234383. The next prime is 234431. The reversal of 234397 is 793432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 171396 = 251^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 234397 - 2¹⁵ = 201629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2818 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (60039).

2²³⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

234397 is a deficient number, since it is larger than the sum of its proper divisors (5759).

234397 is an equidigital number, since it uses as much as digits as its factorization.

234397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its digits is 4536, while the sum is 28.

The square root of 234397 is about 484.1456392451. The cubic root of 234397 is about 61.6572309238.

The spelling of 234397 in words is "two hundred thirty-four thousand, three hundred ninety-seven".