2491148 has 18 divisors (see below), whose sum is σ = 4792788. Its totient is φ = 1132120.

The previous prime is 2491123. The next prime is 2491171. The reversal of 2491148 is 8411942.

It is a self number, because there is not a number n which added to its sum of digits gives 2491148.

It is an unprimeable number.

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, 2090 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (266266).

2^2491148 is an apocalyptic number.

It is an amenable number.

2491148 is a deficient number, since it is larger than the sum of its proper divisors (2301640).

2491148 is a wasteful number, since it uses less digits than its factorization.

2491148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173 (or 5160 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 2491148 is about 1578.3370996083. The cubic root of 2491148 is about 135.5605045622.

The spelling of 2491148 in words is "two million, four hundred ninety-one thousand, one hundred forty-eight".