234872440 has 32 divisors (see below), whose sum is σ = 576506160. Its totient is φ = 85408000.

The previous prime is 234872431. The next prime is 234872441. The reversal of 234872440 is 44278432.

It is a junction number, because it is equal to n+sod(n) for n = 234872396 and 234872405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234872441) 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, 266461 + ... + 267340.

Almost surely, 2^234872440 is an apocalyptic number.

234872440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234872440 is an abundant number, since it is smaller than the sum of its proper divisors (341633720).

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

234872440 is a wasteful number, since it uses less digits than its factorization.

234872440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533823 (or 533819 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 234872440 is about 15325.5486035574. The cubic root of 234872440 is about 616.9889032536.

The spelling of 234872440 in words is "two hundred thirty-four million, eight hundred seventy-two thousand, four hundred forty".