286309996 has 48 divisors (see below), whose sum is σ = 601866496. Its totient is φ = 116593344.

The previous prime is 286309987. The next prime is 286309997. The reversal of 286309996 is 699903682.

It is a happy number.

It is a super-3 number, since 3×286309996³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (286309997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41335 + ... + 47761.

Almost surely, 2^286309996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286309996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300933248).

286309996 is an abundant number, since it is smaller than the sum of its proper divisors (315556500).

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

286309996 is a wasteful number, since it uses less digits than its factorization.

286309996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6516 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 286309996 is about 16920.6972669568. The cubic root of 286309996 is about 659.0911856308.

The spelling of 286309996 in words is "two hundred eighty-six million, three hundred nine thousand, nine hundred ninety-six".