2191348 has 12 divisors (see below), whose sum is σ = 4001760. Its totient is φ = 1047992.

The previous prime is 2191339. The next prime is 2191363. The reversal of 2191348 is 8431912.

It is a happy number.

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, 11818 + ... + 12001.

It is an arithmetic number, because the mean of its divisors is an integer number (333480).

2^2191348 is an apocalyptic number.

It is an amenable number.

2191348 is a deficient number, since it is larger than the sum of its proper divisors (1810412).

2191348 is a wasteful number, since it uses less digits than its factorization.

2191348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23846 (or 23844 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 2191348 is about 1480.3202356247. The cubic root of 2191348 is about 129.8884249760. Note that the first 3 decimals are identical.

The spelling of 2191348 in words is "two million, one hundred ninety-one thousand, three hundred forty-eight".