286874643 has 64 divisors (see below), whose sum is σ = 458970624. Its totient is φ = 157440000.

The previous prime is 286874587. The next prime is 286874657. The reversal of 286874643 is 346478682.

It is not a de Polignac number, because 286874643 - 2⁹ = 286874131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286874592 and 286874601.

It is not an unprimeable number, because it can be changed into a prime (286874443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2840293 + ... + 2840393.

It is an arithmetic number, because the mean of its divisors is an integer number (7171416).

Almost surely, 2^286874643 is an apocalyptic number.

286874643 is a deficient number, since it is larger than the sum of its proper divisors (172095981).

286874643 is a wasteful number, since it uses less digits than its factorization.

286874643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its digits is 1548288, while the sum is 48.

The square root of 286874643 is about 16937.3741471339. The cubic root of 286874643 is about 659.5241772431.

The spelling of 286874643 in words is "two hundred eighty-six million, eight hundred seventy-four thousand, six hundred forty-three".