2197385 has 8 divisors (see below), whose sum is σ = 2670720. Its totient is φ = 1735344.

The previous prime is 2197381. The next prime is 2197387. The reversal of 2197385 is 5837912.

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 2197385 - 2² = 2197381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2197381) 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, 2387 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (333840).

2^2197385 is an apocalyptic number.

It is an amenable number.

2197385 is a deficient number, since it is larger than the sum of its proper divisors (473335).

2197385 is an equidigital number, since it uses as much as digits as its factorization.

2197385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647.

The product of its digits is 15120, while the sum is 35.

The square root of 2197385 is about 1482.3579189926. The cubic root of 2197385 is about 130.0075932448.

The spelling of 2197385 in words is "two million, one hundred ninety-seven thousand, three hundred eighty-five".