287984130 has 32 divisors (see below), whose sum is σ = 789899904. Its totient is φ = 65824896.

The previous prime is 287984129. The next prime is 287984143. The reversal of 287984130 is 31489782.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685467 + ... + 685886.

It is an arithmetic number, because the mean of its divisors is an integer number (24684372).

Almost surely, 2^287984130 is an apocalyptic number.

287984130 is an abundant number, since it is smaller than the sum of its proper divisors (501915774).

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

287984130 is a wasteful number, since it uses less digits than its factorization.

287984130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371370.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 287984130 is about 16970.0951676766. The cubic root of 287984130 is about 660.3733195595.

The spelling of 287984130 in words is "two hundred eighty-seven million, nine hundred eighty-four thousand, one hundred thirty".