287284060 has 36 divisors (see below), whose sum is σ = 701796312. Its totient is φ = 98497056.

The previous prime is 287284051. The next prime is 287284061. The reversal of 287284060 is 60482782.

287284060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×287284060² = 165064262260167200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287284061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145594 + ... + 147553.

It is an arithmetic number, because the mean of its divisors is an integer number (19494342).

Almost surely, 2^287284060 is an apocalyptic number.

287284060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287284060 is an abundant number, since it is smaller than the sum of its proper divisors (414512252).

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

287284060 is a wasteful number, since it uses less digits than its factorization.

287284060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293170 (or 293161 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 287284060 is about 16949.4560384692. The cubic root of 287284060 is about 659.8377777001.

The spelling of 287284060 in words is "two hundred eighty-seven million, two hundred eighty-four thousand, sixty".