285332634 has 24 divisors (see below), whose sum is σ = 619793460. Its totient is φ = 94868928.

The previous prime is 285332627. The next prime is 285332647. The reversal of 285332634 is 436233582.

It is a happy number.

285332634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 284765625 + 567009 = 16875^2 + 753^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12819 + ... + 27110.

Almost surely, 2^285332634 is an apocalyptic number.

285332634 is an abundant number, since it is smaller than the sum of its proper divisors (334460826).

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

285332634 is a wasteful number, since it uses less digits than its factorization.

285332634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40334 (or 40331 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 285332634 is about 16891.7919120501. The cubic root of 285332634 is about 658.3403618470.

The spelling of 285332634 in words is "two hundred eighty-five million, three hundred thirty-two thousand, six hundred thirty-four".