2168098 has 12 divisors (see below), whose sum is σ = 3370770. Its totient is φ = 1045856.

The previous prime is 2168093. The next prime is 2168107. The reversal of 2168098 is 8908612.

It can be written as a sum of positive squares in 3 ways, for example, as 2082249 + 85849 = 1443^2 + 293^2 .

It is not an unprimeable number, because it can be changed into a prime (2168093) by changing a digit.

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, 1038 + ... + 2326.

2^2168098 is an apocalyptic number.

2168098 is a deficient number, since it is larger than the sum of its proper divisors (1202672).

2168098 is a wasteful number, since it uses less digits than its factorization.

2168098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2168098 is about 1472.4462638752. The cubic root of 2168098 is about 129.4274226476.

It can be divided in two parts, 2 and 168098, that added together give a square (168100 = 410²).

The spelling of 2168098 in words is "two million, one hundred sixty-eight thousand, ninety-eight".