2098997 has 4 divisors (see below), whose sum is σ = 2102016. Its totient is φ = 2095980.

The previous prime is 2098981. The next prime is 2099017. The reversal of 2098997 is 7998902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2098997 - 2⁴ = 2098981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (525504).

2^2098997 is an apocalyptic number.

It is an amenable number.

2098997 is a deficient number, since it is larger than the sum of its proper divisors (3019).

2098997 is a wasteful number, since it uses less digits than its factorization.

2098997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2098997 is about 1448.7915654089. The cubic root of 2098997 is about 128.0375256187.

The spelling of 2098997 in words is "two million, ninety-eight thousand, nine hundred ninety-seven".