2097688 has 16 divisors (see below), whose sum is σ = 3952080. Its totient is φ = 1043808.

The previous prime is 2097679. The next prime is 2097709. The reversal of 2097688 is 8867902.

It is a d-powerful number, because it can be written as 2 + 0 + 9 + 7 + 6 + 8³ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2097688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606 + ... + 2602.

It is an arithmetic number, because the mean of its divisors is an integer number (247005).

2^2097688 is an apocalyptic number.

It is an amenable number.

2097688 is a deficient number, since it is larger than the sum of its proper divisors (1854392).

2097688 is a wasteful number, since it uses less digits than its factorization.

2097688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2097688 is about 1448.3397391496. The cubic root of 2097688 is about 128.0109040190.

The spelling of 2097688 in words is "two million, ninety-seven thousand, six hundred eighty-eight".