2098901 has 4 divisors (see below), whose sum is σ = 2398752. Its totient is φ = 1799052.

The previous prime is 2098897. The next prime is 2098903. The reversal of 2098901 is 1098902.

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.

It is a cyclic number.

It is not a de Polignac number, because 2098901 - 2² = 2098897 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 (2098903) 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, 149915 + ... + 149928.

It is an arithmetic number, because the mean of its divisors is an integer number (599688).

2^2098901 is an apocalyptic number.

It is an amenable number.

2098901 is a deficient number, since it is larger than the sum of its proper divisors (299851).

2098901 is an equidigital number, since it uses as much as digits as its factorization.

2098901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299850.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2098901 is about 1448.7584339703. The cubic root of 2098901 is about 128.0355736086.

Subtracting from 2098901 its reverse (1098902), we obtain a palindrome (999999).

The spelling of 2098901 in words is "two million, ninety-eight thousand, nine hundred one".