2198956 has 6 divisors (see below), whose sum is σ = 3848180. Its totient is φ = 1099476.

The previous prime is 2198909. The next prime is 2198981. The reversal of 2198956 is 6598912.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274866 + ... + 274873.

2^2198956 is an apocalyptic number.

It is an amenable number.

2198956 is a deficient number, since it is larger than the sum of its proper divisors (1649224).

2198956 is a wasteful number, since it uses less digits than its factorization.

2198956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549743 (or 549741 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 2198956 is about 1482.8877233290. The cubic root of 2198956 is about 130.0385684380.

The spelling of 2198956 in words is "two million, one hundred ninety-eight thousand, nine hundred fifty-six".