2491814 has 16 divisors (see below), whose sum is σ = 4052160. Its totient is φ = 1142400.

The previous prime is 2491813. The next prime is 2491829. The reversal of 2491814 is 4181942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6014 + ... + 6414.

It is an arithmetic number, because the mean of its divisors is an integer number (253260).

2^2491814 is an apocalyptic number.

2491814 is a deficient number, since it is larger than the sum of its proper divisors (1560346).

2491814 is a wasteful number, since it uses less digits than its factorization.

2491814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

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

The square root of 2491814 is about 1578.5480670540. The cubic root of 2491814 is about 135.5725840334.

The spelling of 2491814 in words is "two million, four hundred ninety-one thousand, eight hundred fourteen".