2098240 has 56 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 818688.

The previous prime is 2098211. The next prime is 2098241. The reversal of 2098240 is 428902.

It is a super-2 number, since 2×2098240² = 8805222195200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2098241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25239 + ... + 25321.

It is an arithmetic number, because the mean of its divisors is an integer number (91440).

2^2098240 is an apocalyptic number.

2098240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2098240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560320).

2098240 is an abundant number, since it is smaller than the sum of its proper divisors (3022400).

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

2098240 is an equidigital number, since it uses as much as digits as its factorization.

2098240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2098240 is about 1448.5302896384. The cubic root of 2098240 is about 128.0221315898.

The spelling of 2098240 in words is "two million, ninety-eight thousand, two hundred forty".