287052460 has 12 divisors (see below), whose sum is σ = 602810208. Its totient is φ = 114820976.

The previous prime is 287052457. The next prime is 287052461. The reversal of 287052460 is 64250782.

It is a super-2 number, since 2×287052460² = 164798229584103200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (287052461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7176292 + ... + 7176331.

It is an arithmetic number, because the mean of its divisors is an integer number (50234184).

Almost surely, 2^287052460 is an apocalyptic number.

287052460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287052460 is an abundant number, since it is smaller than the sum of its proper divisors (315757748).

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

287052460 is a wasteful number, since it uses less digits than its factorization.

287052460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14352632 (or 14352630 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 287052460 is about 16942.6225832957. The cubic root of 287052460 is about 659.6604160629.

The spelling of 287052460 in words is "two hundred eighty-seven million, fifty-two thousand, four hundred sixty".