286982490 has 64 divisors (see below), whose sum is σ = 704142720. Its totient is φ = 74833920.

The previous prime is 286982489. The next prime is 286982537. The reversal of 286982490 is 94289682.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 497082 + ... + 497658.

It is an arithmetic number, because the mean of its divisors is an integer number (11002230).

Almost surely, 2^286982490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286982490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352071360).

286982490 is an abundant number, since it is smaller than the sum of its proper divisors (417160230).

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

286982490 is a wasteful number, since it uses less digits than its factorization.

286982490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 286982490 is about 16940.5575469050. The cubic root of 286982490 is about 659.6068135610.

The spelling of 286982490 in words is "two hundred eighty-six million, nine hundred eighty-two thousand, four hundred ninety".