2393973 has 12 divisors (see below), whose sum is σ = 3471468. Its totient is φ = 1589760.

The previous prime is 2393971. The next prime is 2393987. The reversal of 2393973 is 3793932.

2393973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 603729 = 1338^2 + 777^2 .

It is not a de Polignac number, because 2393973 - 2¹ = 2393971 is a prime.

It is a super-2 number, since 2×2393973² = 11462213449458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393971) 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 in 11 ways as a sum of consecutive naturals, for example, 3861 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (289289).

2^2393973 is an apocalyptic number.

It is an amenable number.

2393973 is a deficient number, since it is larger than the sum of its proper divisors (1077495).

2393973 is a wasteful number, since it uses less digits than its factorization.

2393973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1041 counting only the distinct ones).

The product of its digits is 30618, while the sum is 36.

The square root of 2393973 is about 1547.2469098370. The cubic root of 2393973 is about 133.7744218368.

The spelling of 2393973 in words is "two million, three hundred ninety-three thousand, nine hundred seventy-three".