285834892 has 48 divisors (see below), whose sum is σ = 603348480. Its totient is φ = 115834752.

The previous prime is 285834851. The next prime is 285834893. The reversal of 285834892 is 298438582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (285834893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54823 + ... + 59809.

It is an arithmetic number, because the mean of its divisors is an integer number (12569760).

Almost surely, 2^285834892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285834892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301674240).

285834892 is an abundant number, since it is smaller than the sum of its proper divisors (317513588).

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

285834892 is a wasteful number, since it uses less digits than its factorization.

285834892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5108 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 285834892 is about 16906.6523002042. The cubic root of 285834892 is about 658.7264175709.

The spelling of 285834892 in words is "two hundred eighty-five million, eight hundred thirty-four thousand, eight hundred ninety-two".