287434086 has 16 divisors (see below), whose sum is σ = 580795824. Its totient is φ = 94823424.

The previous prime is 287434073. The next prime is 287434097. The reversal of 287434086 is 680434782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246355 + ... + 247518.

It is an arithmetic number, because the mean of its divisors is an integer number (36299739).

Almost surely, 2^287434086 is an apocalyptic number.

287434086 is an abundant number, since it is smaller than the sum of its proper divisors (293361738).

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

287434086 is a wasteful number, since it uses less digits than its factorization.

287434086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493975.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 287434086 is about 16953.8811485748. The cubic root of 287434086 is about 659.9526182698.

The spelling of 287434086 in words is "two hundred eighty-seven million, four hundred thirty-four thousand, eighty-six".