234908257 has 4 divisors (see below), whose sum is σ = 238216896. Its totient is φ = 231599620.

The previous prime is 234908251. The next prime is 234908273. The reversal of 234908257 is 752809432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234908257 - 2³ = 234908249 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234908251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654213 + ... + 1654354.

It is an arithmetic number, because the mean of its divisors is an integer number (59554224).

Almost surely, 2^234908257 is an apocalyptic number.

It is an amenable number.

234908257 is a deficient number, since it is larger than the sum of its proper divisors (3308639).

234908257 is an equidigital number, since it uses as much as digits as its factorization.

234908257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308638.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 234908257 is about 15326.7170979307. The cubic root of 234908257 is about 617.0202643452.

The spelling of 234908257 in words is "two hundred thirty-four million, nine hundred eight thousand, two hundred fifty-seven".