234287238 has 16 divisors (see below), whose sum is σ = 470359296. Its totient is φ = 77798280.

The previous prime is 234287231. The next prime is 234287239. The reversal of 234287238 is 832782432.

It is a junction number, because it is equal to n+sod(n) for n = 234287196 and 234287205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234287231) 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, 72658 + ... + 75813.

It is an arithmetic number, because the mean of its divisors is an integer number (29397456).

Almost surely, 2^234287238 is an apocalyptic number.

234287238 is an abundant number, since it is smaller than the sum of its proper divisors (236072058).

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

234287238 is a wasteful number, since it uses less digits than its factorization.

234287238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148739.

The product of its digits is 129024, while the sum is 39.

The square root of 234287238 is about 15306.4443291053. Note that the first 3 decimals coincide. The cubic root of 234287238 is about 616.4760526359.

The spelling of 234287238 in words is "two hundred thirty-four million, two hundred eighty-seven thousand, two hundred thirty-eight".