282797985 has 32 divisors (see below), whose sum is σ = 460850688. Its totient is φ = 148055040.

The previous prime is 282797947. The next prime is 282797987. The reversal of 282797985 is 589797282.

It is not a de Polignac number, because 282797985 - 2¹⁶ = 282732449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (282797987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296269 + ... + 297221.

It is an arithmetic number, because the mean of its divisors is an integer number (14401584).

Almost surely, 2^282797985 is an apocalyptic number.

It is an amenable number.

282797985 is a deficient number, since it is larger than the sum of its proper divisors (178052703).

282797985 is a wasteful number, since it uses less digits than its factorization.

282797985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its digits is 5080320, while the sum is 57.

The square root of 282797985 is about 16816.5984967234. The cubic root of 282797985 is about 656.3851850303.

The spelling of 282797985 in words is "two hundred eighty-two million, seven hundred ninety-seven thousand, nine hundred eighty-five".