2097986 has 16 divisors (see below), whose sum is σ = 3507840. Its totient is φ = 932880.

The previous prime is 2097983. The next prime is 2097989. The reversal of 2097986 is 6897902.

It is an interprime number because it is at equal distance from previous prime (2097983) and next prime (2097989).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2097983) 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 in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2^2097986 is an apocalyptic number.

2097986 is a deficient number, since it is larger than the sum of its proper divisors (1409854).

2097986 is a wasteful number, since it uses less digits than its factorization.

2097986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 2097986 is about 1448.4426119112. The cubic root of 2097986 is about 128.0169655247.

The spelling of 2097986 in words is "two million, ninety-seven thousand, nine hundred eighty-six".