2626306 has 4 divisors (see below), whose sum is σ = 3939462. Its totient is φ = 1313152.

The previous prime is 2626291. The next prime is 2626307. The reversal of 2626306 is 6036262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 403225 = 1491^2 + 635^2 .

It is not an unprimeable number, because it can be changed into a prime (2626307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656575 + ... + 656578.

2^2626306 is an apocalyptic number.

2626306 is a deficient number, since it is larger than the sum of its proper divisors (1313156).

2626306 is a wasteful number, since it uses less digits than its factorization.

2626306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313155.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2626306 is about 1620.5881648340. The cubic root of 2626306 is about 137.9690822006.

The spelling of 2626306 in words is "two million, six hundred twenty-six thousand, three hundred six".