2626642 has 8 divisors (see below), whose sum is σ = 4023936. Its totient is φ = 1285332.

The previous prime is 2626639. The next prime is 2626643. The reversal of 2626642 is 2466262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2626642.

It is not an unprimeable number, because it can be changed into a prime (2626643) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 13878 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (502992).

2^2626642 is an apocalyptic number.

2626642 is a deficient number, since it is larger than the sum of its proper divisors (1397294).

2626642 is a wasteful number, since it uses less digits than its factorization.

2626642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27992.

The product of its digits is 6912, while the sum is 28.

The square root of 2626642 is about 1620.6918275848. The cubic root of 2626642 is about 137.9749657032.

The spelling of 2626642 in words is "two million, six hundred twenty-six thousand, six hundred forty-two".