285098 has 8 divisors (see below), whose sum is σ = 466560. Its totient is φ = 129580.

The previous prime is 285091. The next prime is 285101. The reversal of 285098 is 890582.

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

It is a d-powerful number, because it can be written as 2⁸ + 8³ + 0 + 5⁶ + 9⁴ + 8⁶ .

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285098.

It is not an unprimeable number, because it can be changed into a prime (285091) by changing a digit.

285098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2²⁸⁵⁰⁹⁸ is an apocalyptic number.

285098 is a deficient number, since it is larger than the sum of its proper divisors (181462).

285098 is a wasteful number, since it uses less digits than its factorization.

285098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 285098 is about 533.9456901221. The cubic root of 285098 is about 65.8159857441.

The spelling of 285098 in words is "two hundred eighty-five thousand, ninety-eight".