2099408 has 10 divisors (see below), whose sum is σ = 4067634. Its totient is φ = 1049696.

The previous prime is 2099393. The next prime is 2099411. The reversal of 2099408 is 8049902.

It can be written as a sum of positive squares in only one way, i.e., 2096704 + 2704 = 1448^2 + 52^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65591 + ... + 65622.

2^2099408 is an apocalyptic number.

It is an amenable number.

2099408 is a deficient number, since it is larger than the sum of its proper divisors (1968226).

2099408 is a wasteful number, since it uses less digits than its factorization.

2099408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131221 (or 131215 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2099408 is about 1448.9334008159. The cubic root of 2099408 is about 128.0458819890.

The spelling of 2099408 in words is "two million, ninety-nine thousand, four hundred eight".