2099560 has 16 divisors (see below), whose sum is σ = 4724100. Its totient is φ = 839808.

The previous prime is 2099549. The next prime is 2099593. The reversal of 2099560 is 659902.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 133956 = 1402^2 + 366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26205 + ... + 26284.

2^2099560 is an apocalyptic number.

2099560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2099560 is an abundant number, since it is smaller than the sum of its proper divisors (2624540).

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

2099560 is a wasteful number, since it uses less digits than its factorization.

2099560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52500 (or 52496 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2099560 is about 1448.9858522429. The cubic root of 2099560 is about 128.0489721465.

The spelling of 2099560 in words is "two million, ninety-nine thousand, five hundred sixty".