287013332 has 12 divisors (see below), whose sum is σ = 502394676. Its totient is φ = 143472000.

The previous prime is 287013317. The next prime is 287013359. The reversal of 287013332 is 233310782.

It can be written as a sum of positive squares in 2 ways, for example, as 58277956 + 228735376 = 7634^2 + 15124^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 287013295 and 287013304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22082 + ... + 32582.

It is an arithmetic number, because the mean of its divisors is an integer number (41866223).

Almost surely, 2^287013332 is an apocalyptic number.

It is an amenable number.

287013332 is a deficient number, since it is larger than the sum of its proper divisors (215381344).

287013332 is a wasteful number, since it uses less digits than its factorization.

287013332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17338 (or 17336 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 287013332 is about 16941.4678230666. The cubic root of 287013332 is about 659.6304420231.

The spelling of 287013332 in words is "two hundred eighty-seven million, thirteen thousand, three hundred thirty-two".