235868869 has 8 divisors (see below), whose sum is σ = 249318080. Its totient is φ = 222523200.

The previous prime is 235868851. The next prime is 235868873. The reversal of 235868869 is 968868532.

It is a happy number.

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 235868869 - 2⁷ = 235868741 is a prime.

It is a super-2 number, since 2×235868869² = 111268246726678322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235868839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21177 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (31164760).

Almost surely, 2^235868869 is an apocalyptic number.

It is an amenable number.

235868869 is a deficient number, since it is larger than the sum of its proper divisors (13449211).

235868869 is a wasteful number, since it uses less digits than its factorization.

235868869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51771.

The product of its digits is 4976640, while the sum is 55.

The square root of 235868869 is about 15358.0229521902. The cubic root of 235868869 is about 617.8601822692.

The spelling of 235868869 in words is "two hundred thirty-five million, eight hundred sixty-eight thousand, eight hundred sixty-nine".