2630320 has 120 divisors (see below), whose sum is σ = 7887888. Its totient is φ = 806400.

The previous prime is 2630317. The next prime is 2630321. The reversal of 2630320 is 230362.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2630294 and 2630303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43090 + ... + 43150.

2^2630320 is an apocalyptic number.

2630320 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 2630320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3943944).

2630320 is an abundant number, since it is smaller than the sum of its proper divisors (5257568).

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

2630320 is a wasteful number, since it uses less digits than its factorization.

2630320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2630320 is about 1621.8261312484. The cubic root of 2630320 is about 138.0393362623.

Adding to 2630320 its reverse (230362), we get a palindrome (2860682).

The spelling of 2630320 in words is "two million, six hundred thirty thousand, three hundred twenty".