2197846 has 24 divisors (see below), whose sum is σ = 3935736. Its totient is φ = 917280.

The previous prime is 2197799. The next prime is 2197847. The reversal of 2197846 is 6487912.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197847) 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, 3745 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (163989).

2^2197846 is an apocalyptic number.

2197846 is a deficient number, since it is larger than the sum of its proper divisors (1737890).

2197846 is a wasteful number, since it uses less digits than its factorization.

2197846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 597 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 2197846 is about 1482.5134063475. The cubic root of 2197846 is about 130.0166842492.

The spelling of 2197846 in words is "two million, one hundred ninety-seven thousand, eight hundred forty-six".