285949234 has 8 divisors (see below), whose sum is σ = 434965248. Its totient is φ = 140960820.

The previous prime is 285949219. The next prime is 285949241. The reversal of 285949234 is 432949582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006722 + ... + 1007005.

It is an arithmetic number, because the mean of its divisors is an integer number (54370656).

Almost surely, 2^285949234 is an apocalyptic number.

285949234 is a deficient number, since it is larger than the sum of its proper divisors (149016014).

285949234 is a wasteful number, since it uses less digits than its factorization.

285949234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013800.

The product of its digits is 622080, while the sum is 46.

The square root of 285949234 is about 16910.0335304221. The cubic root of 285949234 is about 658.8142422288.

The spelling of 285949234 in words is "two hundred eighty-five million, nine hundred forty-nine thousand, two hundred thirty-four".