2185497 has 12 divisors (see below), whose sum is σ = 3181360. Its totient is φ = 1445688.

The previous prime is 2185493. The next prime is 2185511. The reversal of 2185497 is 7945812.

It is not a de Polignac number, because 2185497 - 2² = 2185493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378 + ... + 2124.

2^2185497 is an apocalyptic number.

It is an amenable number.

2185497 is a deficient number, since it is larger than the sum of its proper divisors (995863).

2185497 is a wasteful number, since it uses less digits than its factorization.

2185497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892 (or 1889 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2185497 is about 1478.3426531085. The cubic root of 2185497 is about 129.7727192444.

The spelling of 2185497 in words is "two million, one hundred eighty-five thousand, four hundred ninety-seven".