285365084 has 24 divisors (see below), whose sum is σ = 514873968. Its totient is φ = 138303360.

The previous prime is 285365083. The next prime is 285365099. The reversal of 285365084 is 480563582.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285365081) 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 7 ways as a sum of consecutive naturals, for example, 20207 + ... + 31289.

It is an arithmetic number, because the mean of its divisors is an integer number (21453082).

Almost surely, 2^285365084 is an apocalyptic number.

It is an amenable number.

285365084 is a deficient number, since it is larger than the sum of its proper divisors (229508884).

285365084 is a wasteful number, since it uses less digits than its factorization.

285365084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285 (or 11283 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 285365084 is about 16892.7524104274. The cubic root of 285365084 is about 658.3653179069.

The spelling of 285365084 in words is "two hundred eighty-five million, three hundred sixty-five thousand, eighty-four".