286988172 has 12 divisors (see below), whose sum is σ = 669639096. Its totient is φ = 95662720.

The previous prime is 286988153. The next prime is 286988183. The reversal of 286988172 is 271889682.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11957829 + ... + 11957852.

It is an arithmetic number, because the mean of its divisors is an integer number (55803258).

Almost surely, 2^286988172 is an apocalyptic number.

It is an amenable number.

286988172 is an abundant number, since it is smaller than the sum of its proper divisors (382650924).

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

286988172 is a wasteful number, since it uses less digits than its factorization.

286988172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23915688 (or 23915686 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 286988172 is about 16940.7252501184. The cubic root of 286988172 is about 659.6111667432.

The spelling of 286988172 in words is "two hundred eighty-six million, nine hundred eighty-eight thousand, one hundred seventy-two".