2099347 has 4 divisors (see below), whose sum is σ = 2222856. Its totient is φ = 1975840.

The previous prime is 2099341. The next prime is 2099359. The reversal of 2099347 is 7439902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099347 - 2⁷ = 2099219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099341) 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, 61729 + ... + 61762.

It is an arithmetic number, because the mean of its divisors is an integer number (555714).

2^2099347 is an apocalyptic number.

2099347 is a deficient number, since it is larger than the sum of its proper divisors (123509).

2099347 is a wasteful number, since it uses less digits than its factorization.

2099347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123508.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2099347 is about 1448.9123506962. The cubic root of 2099347 is about 128.0446418180.

The spelling of 2099347 in words is "two million, ninety-nine thousand, three hundred forty-seven".