2491934 has 8 divisors (see below), whose sum is σ = 3748680. Its totient is φ = 1242376.

The previous prime is 2491933. The next prime is 2491949. The reversal of 2491934 is 4391942.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2491934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (468585).

2^2491934 is an apocalyptic number.

2491934 is a deficient number, since it is larger than the sum of its proper divisors (1256746).

2491934 is a wasteful number, since it uses less digits than its factorization.

2491934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594.

The product of its digits is 7776, while the sum is 32.

The square root of 2491934 is about 1578.5860762087. The cubic root of 2491934 is about 135.5747602858.

The spelling of 2491934 in words is "two million, four hundred ninety-one thousand, nine hundred thirty-four".