8258985 has 48 divisors (see below), whose sum is σ = 16563456. Its totient is φ = 3729024.

The previous prime is 8258983. The next prime is 8259007. The reversal of 8258985 is 5898528.

8258985 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8258985 - 2¹ = 8258983 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

8258985 is strictly pandigital in base 8.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8258985.

It is not an unprimeable number, because it can be changed into a prime (8258983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49372 + ... + 49538.

It is an arithmetic number, because the mean of its divisors is an integer number (345072).

Almost surely, 2^8258985 is an apocalyptic number.

It is an amenable number.

8258985 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

8258985 is a wasteful number, since it uses less digits than its factorization.

8258985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 8258985 is about 2873.8449853811. The cubic root of 8258985 is about 202.1353290467.

The spelling of 8258985 in words is "eight million, two hundred fifty-eight thousand, nine hundred eighty-five".