2491434 has 24 divisors (see below), whose sum is σ = 5889312. Its totient is φ = 754920.

The previous prime is 2491397. The next prime is 2491453. The reversal of 2491434 is 4341942.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2491398 and 2491407.

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 11 ways as a sum of consecutive naturals, for example, 6094 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (245388).

2^2491434 is an apocalyptic number.

2491434 is an abundant number, since it is smaller than the sum of its proper divisors (3397878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2491434 is a wasteful number, since it uses less digits than its factorization.

2491434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12602 (or 12599 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2491434 is about 1578.4276986926. The cubic root of 2491434 is about 135.5656921063.

The spelling of 2491434 in words is "two million, four hundred ninety-one thousand, four hundred thirty-four".