2591198 has 8 divisors (see below), whose sum is σ = 3895320. Its totient is φ = 1292760.

The previous prime is 2591189. The next prime is 2591209. The reversal of 2591198 is 8911952.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (486915).

2^2591198 is an apocalyptic number.

2591198 is a deficient number, since it is larger than the sum of its proper divisors (1304122).

2591198 is a wasteful number, since it uses less digits than its factorization.

2591198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its digits is 6480, while the sum is 35.

The square root of 2591198 is about 1609.7198514027. The cubic root of 2591198 is about 137.3515400396.

The spelling of 2591198 in words is "two million, five hundred ninety-one thousand, one hundred ninety-eight".