233969 has 2 divisors, whose sum is σ = 233970. Its totient is φ = 233968.

The previous prime is 233941. The next prime is 233983. The reversal of 233969 is 969332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 19600 = 463^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 233969 - 2⁸ = 233713 is a prime.

It is a super-2 number, since 2×233969² = 109482985922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116984 + 116985.

It is an arithmetic number, because the mean of its divisors is an integer number (116985).

2²³³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

233969 is a deficient number, since it is larger than the sum of its proper divisors (1).

233969 is an equidigital number, since it uses as much as digits as its factorization.

233969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 32.

The square root of 233969 is about 483.7034215302. The cubic root of 233969 is about 61.6196801402.

The spelling of 233969 in words is "two hundred thirty-three thousand, nine hundred sixty-nine".