286115032 has 128 divisors (see below), whose sum is σ = 690508800. Its totient is φ = 108269568.

The previous prime is 286115023. The next prime is 286115051. The reversal of 286115032 is 230511682.

It is a super-2 number, since 2×286115032² = 163723623072722048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598319 + ... + 1598497.

It is an arithmetic number, because the mean of its divisors is an integer number (5394600).

Almost surely, 2^286115032 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 286115032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345254400).

286115032 is an abundant number, since it is smaller than the sum of its proper divisors (404393768).

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

286115032 is a wasteful number, since it uses less digits than its factorization.

286115032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 286115032 is about 16914.9351757552. The cubic root of 286115032 is about 658.9415480188.

The spelling of 286115032 in words is "two hundred eighty-six million, one hundred fifteen thousand, thirty-two".