2363440 has 40 divisors (see below), whose sum is σ = 5678208. Its totient is φ = 913920.

The previous prime is 2363423. The next prime is 2363441. The reversal of 2363440 is 443632.

It is a tau number, because it is divible by the number of its divisors (40).

It is a d-powerful number, because it can be written as 2²¹ + 3 + 6² + 3² + 4⁶ + 4⁹ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2363441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004 + ... + 2956.

2^2363440 is an apocalyptic number.

2363440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2363440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839104).

2363440 is an abundant number, since it is smaller than the sum of its proper divisors (3314768).

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

2363440 is a wasteful number, since it uses less digits than its factorization.

2363440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2363440 is about 1537.3483665064. The cubic root of 2363440 is about 133.2032620411.

The spelling of 2363440 in words is "two million, three hundred sixty-three thousand, four hundred forty".