2099677 has 2 divisors, whose sum is σ = 2099678. Its totient is φ = 2099676.

The previous prime is 2099659. The next prime is 2099707. The reversal of 2099677 is 7769902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1425636 + 674041 = 1194^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 2099677 - 2⁷ = 2099549 is a prime.

2099677 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049838 + 1049839.

It is an arithmetic number, because the mean of its divisors is an integer number (1049839).

2^2099677 is an apocalyptic number.

It is an amenable number.

2099677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099677 is an equidigital number, since it uses as much as digits as its factorization.

2099677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 2099677 is about 1449.0262247454. The cubic root of 2099677 is about 128.0513506531.

The spelling of 2099677 in words is "two million, ninety-nine thousand, six hundred seventy-seven".