286425888 has 48 divisors (see below), whose sum is σ = 859279680. Its totient is φ = 81835776.

The previous prime is 286425851. The next prime is 286425899. The reversal of 286425888 is 888524682.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 286425888.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212443 + ... + 213786.

It is an arithmetic number, because the mean of its divisors is an integer number (17901660).

Almost surely, 2^286425888 is an apocalyptic number.

286425888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

286425888 is an abundant number, since it is smaller than the sum of its proper divisors (572853792).

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

286425888 is a wasteful number, since it uses less digits than its factorization.

286425888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426249 (or 426241 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 51.

The square root of 286425888 is about 16924.1214838467. The cubic root of 286425888 is about 659.1801021816.

The spelling of 286425888 in words is "two hundred eighty-six million, four hundred twenty-five thousand, eight hundred eighty-eight".