286340456 has 16 divisors (see below), whose sum is σ = 544244100. Its totient is φ = 141208704.

The previous prime is 286340441. The next prime is 286340489. The reversal of 286340456 is 654043682.

It can be written as a sum of positive squares in 2 ways, for example, as 277755556 + 8584900 = 16666^2 + 2930^2 .

It is a plaindrome in base 16.

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 3 ways as a sum of consecutive naturals, for example, 244571 + ... + 245738.

Almost surely, 2^286340456 is an apocalyptic number.

It is an amenable number.

286340456 is a deficient number, since it is larger than the sum of its proper divisors (257903644).

286340456 is a wasteful number, since it uses less digits than its factorization.

286340456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490388 (or 490384 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 286340456 is about 16921.5973241299. The cubic root of 286340456 is about 659.1145579730.

The spelling of 286340456 in words is "two hundred eighty-six million, three hundred forty thousand, four hundred fifty-six".