234936813 has 16 divisors (see below), whose sum is σ = 318147200. Its totient is φ = 154192896.

The previous prime is 234936809. The next prime is 234936829. The reversal of 234936813 is 318639432.

234936813 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 234936813 - 2² = 234936809 is a prime.

It is a super-2 number, since 2×234936813² = 110390612205193938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234936853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55881 + ... + 59937.

It is an arithmetic number, because the mean of its divisors is an integer number (19884200).

Almost surely, 2^234936813 is an apocalyptic number.

It is an amenable number.

234936813 is a deficient number, since it is larger than the sum of its proper divisors (83210387).

234936813 is a wasteful number, since it uses less digits than its factorization.

234936813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356.

The product of its digits is 93312, while the sum is 39.

The square root of 234936813 is about 15327.6486455033. The cubic root of 234936813 is about 617.0452654768.

The spelling of 234936813 in words is "two hundred thirty-four million, nine hundred thirty-six thousand, eight hundred thirteen".