234873681 has 16 divisors (see below), whose sum is σ = 361380864. Its totient is φ = 132909264.

The previous prime is 234873647. The next prime is 234873689. The reversal of 234873681 is 186378432.

It is not a de Polignac number, because 234873681 - 2⁹ = 234873169 is a prime.

It is a super-2 number, since 2×234873681² = 110331292052979522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234873689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52131 + ... + 56456.

It is an arithmetic number, because the mean of its divisors is an integer number (22586304).

Almost surely, 2^234873681 is an apocalyptic number.

234873681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

234873681 is a deficient number, since it is larger than the sum of its proper divisors (126507183).

234873681 is a wasteful number, since it uses less digits than its factorization.

234873681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108700.

The product of its digits is 193536, while the sum is 42.

The square root of 234873681 is about 15325.5890914509. The cubic root of 234873681 is about 616.9899899170.

The spelling of 234873681 in words is "two hundred thirty-four million, eight hundred seventy-three thousand, six hundred eighty-one".