2097385 has 4 divisors (see below), whose sum is σ = 2516868. Its totient is φ = 1677904.

The previous prime is 2097383. The next prime is 2097397. The reversal of 2097385 is 5837902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 851929 = 1116^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097385 - 2¹ = 2097383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2097385.

It is not an unprimeable number, because it can be changed into a prime (2097383) 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, 209734 + ... + 209743.

It is an arithmetic number, because the mean of its divisors is an integer number (629217).

2^2097385 is an apocalyptic number.

It is an amenable number.

2097385 is a deficient number, since it is larger than the sum of its proper divisors (419483).

2097385 is an equidigital number, since it uses as much as digits as its factorization.

2097385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419482.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2097385 is about 1448.2351328427. The cubic root of 2097385 is about 128.0047402216.

The spelling of 2097385 in words is "two million, ninety-seven thousand, three hundred eighty-five".