2099407 has 4 divisors (see below), whose sum is σ = 2128240. Its totient is φ = 2070576.

The previous prime is 2099393. The next prime is 2099411. The reversal of 2099407 is 7049902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099467) 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, 14307 + ... + 14452.

It is an arithmetic number, because the mean of its divisors is an integer number (532060).

2^2099407 is an apocalyptic number.

2099407 is a deficient number, since it is larger than the sum of its proper divisors (28833).

2099407 is an equidigital number, since it uses as much as digits as its factorization.

2099407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28832.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2099407 is about 1448.9330557345. The cubic root of 2099407 is about 128.0458616585.

The spelling of 2099407 in words is "two million, ninety-nine thousand, four hundred seven".