285430002 has 64 divisors (see below), whose sum is σ = 679311360. Its totient is φ = 78811200.

The previous prime is 285429997. The next prime is 285430003. The reversal of 285430002 is 200034582.

It is not an unprimeable number, because it can be changed into a prime (285430003) 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, 65677 + ... + 69887.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^285430002 is an apocalyptic number.

285430002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 285430002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339655680).

285430002 is an abundant number, since it is smaller than the sum of its proper divisors (393881358).

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

285430002 is a wasteful number, since it uses less digits than its factorization.

285430002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 285430002 is about 16894.6737760751. The cubic root of 285430002 is about 658.4152381922.

Adding to 285430002 its reverse (200034582), we get a palindrome (485464584).

The spelling of 285430002 in words is "two hundred eighty-five million, four hundred thirty thousand, two".