2099667 has 8 divisors (see below), whose sum is σ = 2825680. Its totient is φ = 1386720.

The previous prime is 2099659. The next prime is 2099677. The reversal of 2099667 is 7669902.

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

It is not a de Polignac number, because 2099667 - 2³ = 2099659 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 9² + 9⁴ + 6⁷ + 6⁸ + 7⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099627) 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, 2884 + ... + 3537.

It is an arithmetic number, because the mean of its divisors is an integer number (353210).

2^2099667 is an apocalyptic number.

2099667 is a deficient number, since it is larger than the sum of its proper divisors (726013).

2099667 is a wasteful number, since it uses less digits than its factorization.

2099667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 2099667 is about 1449.0227741481. The cubic root of 2099667 is about 128.0511473654.

The spelling of 2099667 in words is "two million, ninety-nine thousand, six hundred sixty-seven".