234816918 has 24 divisors (see below), whose sum is σ = 546309432. Its totient is φ = 67090464.

The previous prime is 234816887. The next prime is 234816919. The reversal of 234816918 is 819618432.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 234816918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234816919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399055 + ... + 399642.

It is an arithmetic number, because the mean of its divisors is an integer number (22762893).

Almost surely, 2^234816918 is an apocalyptic number.

234816918 is an abundant number, since it is smaller than the sum of its proper divisors (311492514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234816918 is a wasteful number, since it uses less digits than its factorization.

234816918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798716 (or 798709 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 234816918 is about 15323.7370768361. The cubic root of 234816918 is about 616.9402823120.

The spelling of 234816918 in words is "two hundred thirty-four million, eight hundred sixteen thousand, nine hundred eighteen".