235668893 has 4 divisors (see below), whose sum is σ = 238897308. Its totient is φ = 232440480.

The previous prime is 235668889. The next prime is 235668911. The reversal of 235668893 is 398866532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40424164 + 195244729 = 6358^2 + 13973^2 .

It is a cyclic number.

It is not a de Polignac number, because 235668893 - 2² = 235668889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235668863) 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, 1614098 + ... + 1614243.

It is an arithmetic number, because the mean of its divisors is an integer number (59724327).

Almost surely, 2^235668893 is an apocalyptic number.

It is an amenable number.

235668893 is a deficient number, since it is larger than the sum of its proper divisors (3228415).

235668893 is an equidigital number, since it uses as much as digits as its factorization.

235668893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228414.

The product of its digits is 1866240, while the sum is 50.

The square root of 235668893 is about 15351.5110982600. The cubic root of 235668893 is about 617.6855200466.

The spelling of 235668893 in words is "two hundred thirty-five million, six hundred sixty-eight thousand, eight hundred ninety-three".