2199908 has 6 divisors (see below), whose sum is σ = 3849846. Its totient is φ = 1099952.

The previous prime is 2199907. The next prime is 2199917. The reversal of 2199908 is 8099912.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 33124 = 1472^2 + 182^2 .

It is not an unprimeable number, because it can be changed into a prime (2199907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274985 + ... + 274992.

It is an arithmetic number, because the mean of its divisors is an integer number (641641).

2^2199908 is an apocalyptic number.

It is an amenable number.

2199908 is a deficient number, since it is larger than the sum of its proper divisors (1649938).

2199908 is a wasteful number, since it uses less digits than its factorization.

2199908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549981 (or 549979 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 2199908 is about 1483.2086839012. The cubic root of 2199908 is about 130.0573317142.

The spelling of 2199908 in words is "two million, one hundred ninety-nine thousand, nine hundred eight".