2626906 has 4 divisors (see below), whose sum is σ = 3940362. Its totient is φ = 1313452.

The previous prime is 2626903. The next prime is 2626927. The reversal of 2626906 is 6096262.

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., 2588881 + 38025 = 1609^2 + 195^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (2626901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656725 + ... + 656728.

2^2626906 is an apocalyptic number.

2626906 is a deficient number, since it is larger than the sum of its proper divisors (1313456).

2626906 is a wasteful number, since it uses less digits than its factorization.

2626906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313455.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2626906 is about 1620.7732722377. The cubic root of 2626906 is about 137.9795881033.

The spelling of 2626906 in words is "two million, six hundred twenty-six thousand, nine hundred six".