285827274 has 12 divisors (see below), whose sum is σ = 619292466. Its totient is φ = 95275752.

The previous prime is 285827263. The next prime is 285827287. The reversal of 285827274 is 472728582.

It can be written as a sum of positive squares in only one way, i.e., 240467049 + 45360225 = 15507^2 + 6735^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7939629 + ... + 7939664.

Almost surely, 2^285827274 is an apocalyptic number.

285827274 is an abundant number, since it is smaller than the sum of its proper divisors (333465192).

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

285827274 is a wasteful number, since it uses less digits than its factorization.

285827274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15879301 (or 15879298 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 285827274 is about 16906.4270027703. The cubic root of 285827274 is about 658.7205654483.

The spelling of 285827274 in words is "two hundred eighty-five million, eight hundred twenty-seven thousand, two hundred seventy-four".