2099671 has 8 divisors (see below), whose sum is σ = 2526080. Its totient is φ = 1704888.

The previous prime is 2099659. The next prime is 2099677. The reversal of 2099671 is 1769902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2099671 - 2⁷ = 2099543 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7761 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (315760).

2^2099671 is an apocalyptic number.

2099671 is a deficient number, since it is larger than the sum of its proper divisors (426409).

2099671 is a wasteful number, since it uses less digits than its factorization.

2099671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2099671 is about 1449.0241543880. The cubic root of 2099671 is about 128.0512286805.

The spelling of 2099671 in words is "two million, ninety-nine thousand, six hundred seventy-one".