285364632 has 96 divisors (see below), whose sum is σ = 835902720. Its totient is φ = 80942400.

The previous prime is 285364631. The next prime is 285364679. The reversal of 285364632 is 236463582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285364631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176773 + ... + 178379.

It is an arithmetic number, because the mean of its divisors is an integer number (8707320).

Almost surely, 2^285364632 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 285364632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417951360).

285364632 is an abundant number, since it is smaller than the sum of its proper divisors (550538088).

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

285364632 is a wasteful number, since it uses less digits than its factorization.

285364632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1770 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 285364632 is about 16892.7390319036. The cubic root of 285364632 is about 658.3649703039.

The spelling of 285364632 in words is "two hundred eighty-five million, three hundred sixty-four thousand, six hundred thirty-two".