235982813 has 8 divisors (see below), whose sum is σ = 257717376. Its totient is φ = 214295200.

The previous prime is 235982801. The next prime is 235982821. The reversal of 235982813 is 318289532.

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 235982813 - 2⁶ = 235982749 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 (235982833) 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, 773 + ... + 21738.

It is an arithmetic number, because the mean of its divisors is an integer number (32214672).

Almost surely, 2^235982813 is an apocalyptic number.

It is an amenable number.

235982813 is a deficient number, since it is larger than the sum of its proper divisors (21734563).

235982813 is a wasteful number, since it uses less digits than its factorization.

235982813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23475.

The product of its digits is 103680, while the sum is 41.

The square root of 235982813 is about 15361.7320963490. The cubic root of 235982813 is about 617.9596586256.

The spelling of 235982813 in words is "two hundred thirty-five million, nine hundred eighty-two thousand, eight hundred thirteen".