2627906 has 4 divisors (see below), whose sum is σ = 3941862. Its totient is φ = 1313952.

The previous prime is 2627897. The next prime is 2627921. The reversal of 2627906 is 6097262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6097262 = 2 ⋅3048631.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 625681 = 1415^2 + 791^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 656975 + ... + 656978.

2^2627906 is an apocalyptic number.

2627906 is a deficient number, since it is larger than the sum of its proper divisors (1313956).

2627906 is a wasteful number, since it uses less digits than its factorization.

2627906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313955.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2627906 is about 1621.0817376061. The cubic root of 2627906 is about 137.9970943868.

The spelling of 2627906 in words is "two million, six hundred twenty-seven thousand, nine hundred six".