2097899 has 8 divisors (see below), whose sum is σ = 2231712. Its totient is φ = 1967680.

The previous prime is 2097883. The next prime is 2097911. The reversal of 2097899 is 9987902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2097899 - 2⁴ = 2097883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097829) 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, 359 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (278964).

2^2097899 is an apocalyptic number.

2097899 is a deficient number, since it is larger than the sum of its proper divisors (133813).

2097899 is a wasteful number, since it uses less digits than its factorization.

2097899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

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

The square root of 2097899 is about 1448.4125793433. The cubic root of 2097899 is about 128.0151959498.

The spelling of 2097899 in words is "two million, ninety-seven thousand, eight hundred ninety-nine".