2099508 has 12 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 699832.

The previous prime is 2099507. The next prime is 2099521. The reversal of 2099508 is 8059902.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87468 + ... + 87491.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

2^2099508 is an apocalyptic number.

It is an amenable number.

2099508 is an abundant number, since it is smaller than the sum of its proper divisors (2799372).

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

2099508 is a wasteful number, since it uses less digits than its factorization.

2099508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174966 (or 174964 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2099508 is about 1448.9679085473. The cubic root of 2099508 is about 128.0479150042.

The spelling of 2099508 in words is "two million, ninety-nine thousand, five hundred eight".