2197716 has 24 divisors (see below), whose sum is σ = 5152224. Its totient is φ = 729120.

The previous prime is 2197703. The next prime is 2197733. The reversal of 2197716 is 6177912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231 + ... + 4721.

It is an arithmetic number, because the mean of its divisors is an integer number (214676).

2^2197716 is an apocalyptic number.

It is an amenable number.

2197716 is an abundant number, since it is smaller than the sum of its proper divisors (2954508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197716 is a wasteful number, since it uses less digits than its factorization.

2197716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its digits is 5292, while the sum is 33.

The square root of 2197716 is about 1482.4695612389. The cubic root of 2197716 is about 130.0141207541.

The spelling of 2197716 in words is "two million, one hundred ninety-seven thousand, seven hundred sixteen".