287348 has 6 divisors (see below), whose sum is σ = 502866. Its totient is φ = 143672.

The previous prime is 287347. The next prime is 287383. The reversal of 287348 is 843782.

It can be written as a sum of positive squares in only one way, i.e., 252004 + 35344 = 502^2 + 188^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287348.

It is not an unprimeable number, because it can be changed into a prime (287341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35915 + ... + 35922.

It is an arithmetic number, because the mean of its divisors is an integer number (83811).

2²⁸⁷³⁴⁸ is an apocalyptic number.

It is an amenable number.

287348 is a deficient number, since it is larger than the sum of its proper divisors (215518).

287348 is a wasteful number, since it uses less digits than its factorization.

287348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71841 (or 71839 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 287348 is about 536.0485052679. The cubic root of 287348 is about 65.9886726811.

The spelling of 287348 in words is "two hundred eighty-seven thousand, three hundred forty-eight".