2097686 has 16 divisors (see below), whose sum is σ = 3315600. Its totient is φ = 993888.

The previous prime is 2097679. The next prime is 2097709. The reversal of 2097686 is 6867902.

It is a congruent number.

It is an unprimeable number.

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, 3116 + ... + 3728.

It is an arithmetic number, because the mean of its divisors is an integer number (207225).

2^2097686 is an apocalyptic number.

2097686 is a deficient number, since it is larger than the sum of its proper divisors (1217914).

2097686 is a wasteful number, since it uses less digits than its factorization.

2097686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2097686 is about 1448.3390487037. The cubic root of 2097686 is about 128.0108633358.

The spelling of 2097686 in words is "two million, ninety-seven thousand, six hundred eighty-six".