2313630 has 128 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 518400.

The previous prime is 2313629. The next prime is 2313631. The reversal of 2313630 is 363132.

It is a happy number.

2313630 is a `hidden beast` number, since 2 + 31 + 3 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (2313629) and next prime (2313631).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56410 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2^2313630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628800).

2313630 is an abundant number, since it is smaller than the sum of its proper divisors (4943970).

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

2313630 is a wasteful number, since it uses less digits than its factorization.

2313630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2313630 is about 1521.0621289086. The cubic root of 2313630 is about 132.2608478302.

Adding to 2313630 its reverse (363132), we get a palindrome (2676762).

The spelling of 2313630 in words is "two million, three hundred thirteen thousand, six hundred thirty".