2493944 has 8 divisors (see below), whose sum is σ = 4676160. Its totient is φ = 1246968.

The previous prime is 2493943. The next prime is 2493947. The reversal of 2493944 is 4493942.

2493944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155864 + ... + 155879.

It is an arithmetic number, because the mean of its divisors is an integer number (584520).

2^2493944 is an apocalyptic number.

It is an amenable number.

2493944 is a deficient number, since it is larger than the sum of its proper divisors (2182216).

2493944 is a wasteful number, since it uses less digits than its factorization.

2493944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311749 (or 311745 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 2493944 is about 1579.2225935567. Note that the first 3 decimals coincide. The cubic root of 2493944 is about 135.6112021329.

The spelling of 2493944 in words is "two million, four hundred ninety-three thousand, nine hundred forty-four".