286074642 has 96 divisors (see below), whose sum is σ = 686188800. Its totient is φ = 79252992.

The previous prime is 286074601. The next prime is 286074661. The reversal of 286074642 is 246470682.

It is a self number, because there is not a number n which added to its sum of digits gives 286074642.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2531578 + ... + 2531690.

It is an arithmetic number, because the mean of its divisors is an integer number (7147800).

Almost surely, 2^286074642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286074642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343094400).

286074642 is an abundant number, since it is smaller than the sum of its proper divisors (400114158).

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

286074642 is a wasteful number, since it uses less digits than its factorization.

286074642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 286074642 is about 16913.7412183112. The cubic root of 286074642 is about 658.9105396264.

The spelling of 286074642 in words is "two hundred eighty-six million, seventy-four thousand, six hundred forty-two".