2097309 has 8 divisors (see below), whose sum is σ = 2892960. Its totient is φ = 1349936.

The previous prime is 2097289. The next prime is 2097311. The reversal of 2097309 is 9037902.

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 2097309 - 2¹³ = 2089117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097349) 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, 11967 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (361620).

2^2097309 is an apocalyptic number.

2097309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2097309 is a deficient number, since it is larger than the sum of its proper divisors (795651).

2097309 is a wasteful number, since it uses less digits than its factorization.

2097309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2097309 is about 1448.2088937719. The cubic root of 2097309 is about 128.0031940935.

The spelling of 2097309 in words is "two million, ninety-seven thousand, three hundred nine".