2116898 has 12 divisors (see below), whose sum is σ = 3693942. Its totient is φ = 907200.

The previous prime is 2116867. The next prime is 2116901. The reversal of 2116898 is 8986112.

It can be written as a sum of positive squares in only one way, i.e., 1399489 + 717409 = 1183^2 + 847^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10703 + ... + 10898.

2^2116898 is an apocalyptic number.

2116898 is a deficient number, since it is larger than the sum of its proper divisors (1577044).

2116898 is a wasteful number, since it uses less digits than its factorization.

2116898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21617 (or 21610 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 2116898 is about 1454.9563567338. The cubic root of 2116898 is about 128.4004790955.

The spelling of 2116898 in words is "two million, one hundred sixteen thousand, eight hundred ninety-eight".