2099194 has 16 divisors (see below), whose sum is σ = 3450600. Its totient is φ = 953344.

The previous prime is 2099191. The next prime is 2099197. The reversal of 2099194 is 4919902.

It is an interprime number because it is at equal distance from previous prime (2099191) and next prime (2099197).

It can be written as a sum of positive squares in 4 ways, for example, as 1836025 + 263169 = 1355^2 + 513^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2099191) 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, 79 + ... + 2050.

2^2099194 is an apocalyptic number.

2099194 is a deficient number, since it is larger than the sum of its proper divisors (1351406).

2099194 is a wasteful number, since it uses less digits than its factorization.

2099194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2099194 is about 1448.8595515094. The cubic root of 2099194 is about 128.0415311196.

The spelling of 2099194 in words is "two million, ninety-nine thousand, one hundred ninety-four".