287049080 has 64 divisors (see below), whose sum is σ = 699827040. Its totient is φ = 105541632.

The previous prime is 287049053. The next prime is 287049127. The reversal of 287049080 is 80940782.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 24332 + ... + 34148.

Almost surely, 2^287049080 is an apocalyptic number.

287049080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287049080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349913520).

287049080 is an abundant number, since it is smaller than the sum of its proper divisors (412777960).

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

287049080 is a wasteful number, since it uses less digits than its factorization.

287049080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888 (or 9884 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 287049080 is about 16942.5228345722. The cubic root of 287049080 is about 659.6578269183.

The spelling of 287049080 in words is "two hundred eighty-seven million, forty-nine thousand, eighty".