234047285 has 4 divisors (see below), whose sum is σ = 280856748. Its totient is φ = 187237824.

The previous prime is 234047273. The next prime is 234047291. The reversal of 234047285 is 582740432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92294449 + 141752836 = 9607^2 + 11906^2 .

It is a cyclic number.

It is not a de Polignac number, because 234047285 - 2⁴ = 234047269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23404724 + ... + 23404733.

It is an arithmetic number, because the mean of its divisors is an integer number (70214187).

Almost surely, 2^234047285 is an apocalyptic number.

It is an amenable number.

234047285 is a deficient number, since it is larger than the sum of its proper divisors (46809463).

234047285 is an equidigital number, since it uses as much as digits as its factorization.

234047285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46809462.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 234047285 is about 15298.6040212825. The cubic root of 234047285 is about 616.2655193192.

The spelling of 234047285 in words is "two hundred thirty-four million, forty-seven thousand, two hundred eighty-five".