286203042 has 48 divisors (see below), whose sum is σ = 668697120. Its totient is φ = 88171200.

The previous prime is 286203031. The next prime is 286203089. The reversal of 286203042 is 240302682.

286203042 is a `hidden beast` number, since 2 + 8 + 620 + 30 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 286202997 and 286203015.

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, 3817 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (13931190).

Almost surely, 2^286203042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286203042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334348560).

286203042 is an abundant number, since it is smaller than the sum of its proper divisors (382494078).

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

286203042 is a wasteful number, since it uses less digits than its factorization.

286203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20479 (or 20476 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 286203042 is about 16917.5365227920. The cubic root of 286203042 is about 659.0091053458.

The spelling of 286203042 in words is "two hundred eighty-six million, two hundred three thousand, forty-two".