287224093 has 16 divisors (see below), whose sum is σ = 314919360. Its totient is φ = 260371584.

The previous prime is 287224057. The next prime is 287224111. The reversal of 287224093 is 390422782.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287224093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287221093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187830 + ... + 189352.

It is an arithmetic number, because the mean of its divisors is an integer number (19682460).

Almost surely, 2^287224093 is an apocalyptic number.

It is an amenable number.

287224093 is a deficient number, since it is larger than the sum of its proper divisors (27695267).

287224093 is a wasteful number, since it uses less digits than its factorization.

287224093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 287224093 is about 16947.6869513217. The cubic root of 287224093 is about 659.7918635092.

The spelling of 287224093 in words is "two hundred eighty-seven million, two hundred twenty-four thousand, ninety-three".