2481993 has 12 divisors (see below), whose sum is σ = 3604848. Its totient is φ = 1645560.

The previous prime is 2481979. The next prime is 2482009. The reversal of 2481993 is 3991842.

It is not a de Polignac number, because 2481993 - 2⁴ = 2481977 is a prime.

2481993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2481293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (300404).

2^2481993 is an apocalyptic number.

It is an amenable number.

2481993 is a deficient number, since it is larger than the sum of its proper divisors (1122855).

2481993 is a wasteful number, since it uses less digits than its factorization.

2481993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1521 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2481993 is about 1575.4342258565. The cubic root of 2481993 is about 135.3942385367.

The spelling of 2481993 in words is "two million, four hundred eighty-one thousand, nine hundred ninety-three".