2100798 has 24 divisors (see below), whose sum is σ = 5202288. Its totient is φ = 600192.

The previous prime is 2100793. The next prime is 2100803. The reversal of 2100798 is 8970012.

It is an interprime number because it is at equal distance from previous prime (2100793) and next prime (2100803).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8211 + ... + 8462.

It is an arithmetic number, because the mean of its divisors is an integer number (216762).

2^2100798 is an apocalyptic number.

2100798 is an abundant number, since it is smaller than the sum of its proper divisors (3101490).

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

2100798 is a wasteful number, since it uses less digits than its factorization.

2100798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16688 (or 16685 counting only the distinct ones).

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

The square root of 2100798 is about 1449.4129846252. The cubic root of 2100798 is about 128.0741351140.

The spelling of 2100798 in words is "two million, one hundred thousand, seven hundred ninety-eight".