2611198 has 4 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 1305598.

The previous prime is 2611159. The next prime is 2611199. The reversal of 2611198 is 8911162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652798 + ... + 652801.

It is an arithmetic number, because the mean of its divisors is an integer number (979200).

2^2611198 is an apocalyptic number.

2611198 is a deficient number, since it is larger than the sum of its proper divisors (1305602).

2611198 is a wasteful number, since it uses less digits than its factorization.

2611198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305601.

The product of its digits is 864, while the sum is 28.

The square root of 2611198 is about 1615.9201712956. The cubic root of 2611198 is about 137.7040145008.

It can be divided in two parts, 2611 and 198, that added together give a square (2809 = 53²).

The spelling of 2611198 in words is "two million, six hundred eleven thousand, one hundred ninety-eight".