285836694 has 64 divisors (see below), whose sum is σ = 680279040. Its totient is φ = 78923520.

The previous prime is 285836693. The next prime is 285836701. The reversal of 285836694 is 496638582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285836693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65674 + ... + 69890.

It is an arithmetic number, because the mean of its divisors is an integer number (10629360).

Almost surely, 2^285836694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285836694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340139520).

285836694 is an abundant number, since it is smaller than the sum of its proper divisors (394442346).

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

285836694 is a wasteful number, since it uses less digits than its factorization.

285836694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its digits is 2488320, while the sum is 51.

The square root of 285836694 is about 16906.7055927522. The cubic root of 285836694 is about 658.7278018461.

The spelling of 285836694 in words is "two hundred eighty-five million, eight hundred thirty-six thousand, six hundred ninety-four".