286798842 has 48 divisors (see below), whose sum is σ = 679060512. Its totient is φ = 86758560.

The previous prime is 286798829. The next prime is 286798861. The reversal of 286798842 is 248897682.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178788 + ... + 180384.

It is an arithmetic number, because the mean of its divisors is an integer number (14147094).

Almost surely, 2^286798842 is an apocalyptic number.

286798842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

286798842 is an abundant number, since it is smaller than the sum of its proper divisors (392261670).

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

286798842 is a wasteful number, since it uses less digits than its factorization.

286798842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2520 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 286798842 is about 16935.1363147747. The cubic root of 286798842 is about 659.4660833483.

The spelling of 286798842 in words is "two hundred eighty-six million, seven hundred ninety-eight thousand, eight hundred forty-two".