2313840 has 80 divisors (see below), whose sum is σ = 7428096. Its totient is φ = 595200.

The previous prime is 2313833. The next prime is 2313847. The reversal of 2313840 is 483132.

It is a happy number.

2313840 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (2313833) and next prime (2313847).

It is a tau number, because it is divible by the number of its divisors (80).

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7285 + ... + 7595.

2^2313840 is an apocalyptic number.

2313840 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 2313840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714048).

2313840 is an abundant number, since it is smaller than the sum of its proper divisors (5114256).

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

2313840 is a wasteful number, since it uses less digits than its factorization.

2313840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2313840 is about 1521.1311580531. The cubic root of 2313840 is about 132.2648493254.

Adding to 2313840 its reverse (483132), we get a palindrome (2796972).

The spelling of 2313840 in words is "two million, three hundred thirteen thousand, eight hundred forty".