2099492 has 6 divisors (see below), whose sum is σ = 3674118. Its totient is φ = 1049744.

The previous prime is 2099479. The next prime is 2099497. The reversal of 2099492 is 2949902.

It can be written as a sum of positive squares in only one way, i.e., 1893376 + 206116 = 1376^2 + 454^2 .

It is not an unprimeable number, because it can be changed into a prime (2099497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262433 + ... + 262440.

It is an arithmetic number, because the mean of its divisors is an integer number (612353).

2^2099492 is an apocalyptic number.

It is an amenable number.

2099492 is a deficient number, since it is larger than the sum of its proper divisors (1574626).

2099492 is a wasteful number, since it uses less digits than its factorization.

2099492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524877 (or 524875 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2099492 is about 1448.9623873655. The cubic root of 2099492 is about 128.0475897261.

The spelling of 2099492 in words is "two million, ninety-nine thousand, four hundred ninety-two".