2634520 has 48 divisors (see below), whose sum is σ = 6845040. Its totient is φ = 893952.

The previous prime is 2634517. The next prime is 2634523. The reversal of 2634520 is 254362.

It is a happy number.

2634520 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (2634517) and next prime (2634523).

It is a junction number, because it is equal to n+sod(n) for n = 2634491 and 2634500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634523) 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, 27112 + ... + 27208.

It is an arithmetic number, because the mean of its divisors is an integer number (142605).

2^2634520 is an apocalyptic number.

2634520 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 2634520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3422520).

2634520 is an abundant number, since it is smaller than the sum of its proper divisors (4210520).

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

2634520 is an equidigital number, since it uses as much as digits as its factorization.

2634520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2634520 is about 1623.1204514761. The cubic root of 2634520 is about 138.1127692671.

Adding to 2634520 its reverse (254362), we get a palindrome (2888882).

The spelling of 2634520 in words is "two million, six hundred thirty-four thousand, five hundred twenty".