235698993 has 12 divisors (see below), whose sum is σ = 340587520. Its totient is φ = 157071096.

The previous prime is 235698977. The next prime is 235698997. The reversal of 235698993 is 399896532.

235698993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 235698993 - 2⁴ = 235698977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235698997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40080 + ... + 45582.

Almost surely, 2^235698993 is an apocalyptic number.

It is an amenable number.

235698993 is a deficient number, since it is larger than the sum of its proper divisors (104888527).

235698993 is a wasteful number, since it uses less digits than its factorization.

235698993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268 (or 10265 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 235698993 is about 15352.4914264754. The cubic root of 235698993 is about 617.7118161810.

The spelling of 235698993 in words is "two hundred thirty-five million, six hundred ninety-eight thousand, nine hundred ninety-three".