286197849 has 48 divisors (see below), whose sum is σ = 493683840. Its totient is φ = 156349440.

The previous prime is 286197841. The next prime is 286197853. The reversal of 286197849 is 948791682.

It is not a de Polignac number, because 286197849 - 2³ = 286197841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286197795 and 286197804.

It is not an unprimeable number, because it can be changed into a prime (286197841) by changing a digit.

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, 136489 + ... + 138569.

It is an arithmetic number, because the mean of its divisors is an integer number (10285080).

Almost surely, 2^286197849 is an apocalyptic number.

It is an amenable number.

286197849 is a deficient number, since it is larger than the sum of its proper divisors (207485991).

286197849 is a wasteful number, since it uses less digits than its factorization.

286197849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2187 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 286197849 is about 16917.3830423030. The cubic root of 286197849 is about 659.0051195333.

It can be divided in two parts, 286 and 197849, that added together give a triangular number (198135 = T₆₂₉).

The spelling of 286197849 in words is "two hundred eighty-six million, one hundred ninety-seven thousand, eight hundred forty-nine".