2097873 has 8 divisors (see below), whose sum is σ = 3108000. Its totient is φ = 1398564.

The previous prime is 2097859. The next prime is 2097883. The reversal of 2097873 is 3787902.

It is not a de Polignac number, because 2097873 - 2⁴ = 2097857 is a prime.

It is a super-2 number, since 2×2097873² = 8802142248258, which contains 22 as substring.

It is a Curzon number.

2097873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2097803) 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, 38823 + ... + 38876.

It is an arithmetic number, because the mean of its divisors is an integer number (388500).

2^2097873 is an apocalyptic number.

It is an amenable number.

2097873 is a deficient number, since it is larger than the sum of its proper divisors (1010127).

2097873 is an equidigital number, since it uses as much as digits as its factorization.

2097873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77708 (or 77702 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2097873 is about 1448.4036039723. The cubic root of 2097873 is about 128.0146671018.

The spelling of 2097873 in words is "two million, ninety-seven thousand, eight hundred seventy-three".