2098170 has 64 divisors (see below), whose sum is σ = 5904000. Its totient is φ = 528768.

The previous prime is 2098169. The next prime is 2098171. The reversal of 2098170 is 718902.

It is an interprime number because it is at equal distance from previous prime (2098169) and next prime (2098171).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2098171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4926 + ... + 5334.

It is an arithmetic number, because the mean of its divisors is an integer number (92250).

2^2098170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2098170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952000).

2098170 is an abundant number, since it is smaller than the sum of its proper divisors (3805830).

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

2098170 is a wasteful number, since it uses less digits than its factorization.

2098170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2098170 is about 1448.5061270150. The cubic root of 2098170 is about 128.0207079127.

The spelling of 2098170 in words is "two million, ninety-eight thousand, one hundred seventy".