2605198 has 8 divisors (see below), whose sum is σ = 3998808. Its totient is φ = 1272264.

The previous prime is 2605189. The next prime is 2605201. The reversal of 2605198 is 8915062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15061 + ... + 15232.

It is an arithmetic number, because the mean of its divisors is an integer number (499851).

2^2605198 is an apocalyptic number.

2605198 is a deficient number, since it is larger than the sum of its proper divisors (1393610).

2605198 is a wasteful number, since it uses less digits than its factorization.

2605198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30338.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2605198 is about 1614.0625762343. The cubic root of 2605198 is about 137.5984617076.

The spelling of 2605198 in words is "two million, six hundred five thousand, one hundred ninety-eight".