235688889 has 8 divisors (see below), whose sum is σ = 327915072. Its totient is φ = 150294320.

The previous prime is 235688813. The next prime is 235688897. The reversal of 235688889 is 988886532.

235688889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235688889 - 2²⁰ = 234640313 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (235688809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707822 + ... + 1707959.

It is an arithmetic number, because the mean of its divisors is an integer number (40989384).

Almost surely, 2^235688889 is an apocalyptic number.

It is an amenable number.

235688889 is a deficient number, since it is larger than the sum of its proper divisors (92226183).

235688889 is a wasteful number, since it uses less digits than its factorization.

235688889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415807.

The product of its digits is 6635520, while the sum is 57.

The square root of 235688889 is about 15352.1623558377. The cubic root of 235688889 is about 617.7029893163.

The spelling of 235688889 in words is "two hundred thirty-five million, six hundred eighty-eight thousand, eight hundred eighty-nine".