285764814 has 16 divisors (see below), whose sum is σ = 635033040. Its totient is φ = 95254920.

The previous prime is 285764797. The next prime is 285764819. The reversal of 285764814 is 418467582.

285764814 is a `hidden beast` number, since 28 + 576 + 48 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 285764814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285764819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645917 + ... + 2646024.

It is an arithmetic number, because the mean of its divisors is an integer number (39689565).

Almost surely, 2^285764814 is an apocalyptic number.

285764814 is an abundant number, since it is smaller than the sum of its proper divisors (349268226).

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

285764814 is a wasteful number, since it uses less digits than its factorization.

285764814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291952 (or 5291946 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 285764814 is about 16904.5796753424. The cubic root of 285764814 is about 658.6725799602.

The spelling of 285764814 in words is "two hundred eighty-five million, seven hundred sixty-four thousand, eight hundred fourteen".