286231842 has 48 divisors (see below), whose sum is σ = 670557888. Its totient is φ = 87717600.

The previous prime is 286231823. The next prime is 286231843. The reversal of 286231842 is 248132682.

286231842 is a `hidden beast` number, since 28 + 623 + 1 + 8 + 4 + 2 = 666.

286231842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 286231797 and 286231806.

It is not an unprimeable number, because it can be changed into a prime (286231843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59217 + ... + 63867.

It is an arithmetic number, because the mean of its divisors is an integer number (13969956).

Almost surely, 2^286231842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286231842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335278944).

286231842 is an abundant number, since it is smaller than the sum of its proper divisors (384326046).

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

286231842 is a wasteful number, since it uses less digits than its factorization.

286231842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935 (or 4932 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 286231842 is about 16918.3876891387. The cubic root of 286231842 is about 659.0312094967.

The spelling of 286231842 in words is "two hundred eighty-six million, two hundred thirty-one thousand, eight hundred forty-two".