2393944 has 48 divisors (see below), whose sum is σ = 5417280. Its totient is φ = 987840.

The previous prime is 2393933. The next prime is 2393947. The reversal of 2393944 is 4493932.

It is a d-powerful number, because it can be written as 2¹⁹ + 3 + 9⁴ + 3¹³ + 9⁴ + 4³ + 4⁹ .

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12054 + ... + 12250.

It is an arithmetic number, because the mean of its divisors is an integer number (112860).

2^2393944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2393944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708640).

2393944 is an abundant number, since it is smaller than the sum of its proper divisors (3023336).

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

2393944 is a wasteful number, since it uses less digits than its factorization.

2393944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 237 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 2393944 is about 1547.2375383244. The cubic root of 2393944 is about 133.7738816645.

The spelling of 2393944 in words is "two million, three hundred ninety-three thousand, nine hundred forty-four".