2097798 has 32 divisors (see below), whose sum is σ = 4409856. Its totient is φ = 664608.

The previous prime is 2097787. The next prime is 2097803. The reversal of 2097798 is 8977902.

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 15 ways as a sum of consecutive naturals, for example, 12040 + ... + 12212.

It is an arithmetic number, because the mean of its divisors is an integer number (137808).

2^2097798 is an apocalyptic number.

2097798 is an abundant number, since it is smaller than the sum of its proper divisors (2312058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2097798 is a wasteful number, since it uses less digits than its factorization.

2097798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 2097798 is about 1448.3777131674. The cubic root of 2097798 is about 128.0131415544.

The spelling of 2097798 in words is "two million, ninety-seven thousand, seven hundred ninety-eight".