286808880 has 40 divisors (see below), whose sum is σ = 889108272. Its totient is φ = 76482304.

The previous prime is 286808833. The next prime is 286808881. The reversal of 286808880 is 88808682.

286808880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (286808881) 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, 597279 + ... + 597758.

Almost surely, 2^286808880 is an apocalyptic number.

286808880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

286808880 is an abundant number, since it is smaller than the sum of its proper divisors (602299392).

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

286808880 is a wasteful number, since it uses less digits than its factorization.

286808880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195053 (or 1195047 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The square root of 286808880 is about 16935.4326782636. The cubic root of 286808880 is about 659.4737770606.

The spelling of 286808880 in words is "two hundred eighty-six million, eight hundred eight thousand, eight hundred eighty".