287058 has 8 divisors (see below), whose sum is σ = 574128. Its totient is φ = 95684.

The previous prime is 287057. The next prime is 287059. The reversal of 287058 is 850782.

It is an interprime number because it is at equal distance from previous prime (287057) and next prime (287059).

It is a sphenic number, since it is the product of 3 distinct primes.

287058 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287058.

It is not an unprimeable number, because it can be changed into a prime (287057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23916 + ... + 23927.

It is an arithmetic number, because the mean of its divisors is an integer number (71766).

2²⁸⁷⁰⁵⁸ is an apocalyptic number.

287058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

287058 is a wasteful number, since it uses less digits than its factorization.

287058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47848.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 287058 is about 535.7779390755. Note that the first 3 decimals coincide. The cubic root of 287058 is about 65.9664659765.

The spelling of 287058 in words is "two hundred eighty-seven thousand, fifty-eight".