2626 has 8 divisors (see below), whose sum is σ = 4284. Its totient is φ = 1200.

The previous prime is 2621. The next prime is 2633. The reversal of 2626 is 6262.

It can be written as a sum of positive squares in 2 ways, for example, as 2601 + 25 = 51^2 + 5^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2 + 2⁵ + 6⁴ + 6⁴ .

It is a cake number, because a cake can be divided into 2626 parts by 25 planar cuts.

2626 is an undulating number in base 10.

It is a nialpdrome in base 15 and base 16.

It is not an unprimeable number, because it can be changed into a prime (2621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25 + ... + 76.

2²⁶²⁶ is an apocalyptic number.

2626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2626 is the 26-th decagonal number.

2626 is a deficient number, since it is larger than the sum of its proper divisors (1658).

2626 is a wasteful number, since it uses less digits than its factorization.

2626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116.

The product of its digits is 144, while the sum is 16.

The square root of 2626 is about 51.2445119013. The cubic root of 2626 is about 13.7963723574.

Adding to 2626 its reverse (6262), we get a palindrome (8888).

The spelling of 2626 in words is "two thousand, six hundred twenty-six".