234890433 has 6 divisors (see below), whose sum is σ = 339286194. Its totient is φ = 156593616.

The previous prime is 234890417. The next prime is 234890489. The reversal of 234890433 is 334098432.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 182574144 + 52316289 = 13512^2 + 7233^2 .

It is not a de Polignac number, because 234890433 - 2⁴ = 234890417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234890413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13049460 + ... + 13049477.

It is an arithmetic number, because the mean of its divisors is an integer number (56547699).

Almost surely, 2^234890433 is an apocalyptic number.

It is an amenable number.

234890433 is a deficient number, since it is larger than the sum of its proper divisors (104395761).

234890433 is a wasteful number, since it uses less digits than its factorization.

234890433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26098943 (or 26098940 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 234890433 is about 15326.1356186091. The cubic root of 234890433 is about 617.0046581854.

The spelling of 234890433 in words is "two hundred thirty-four million, eight hundred ninety thousand, four hundred thirty-three".