2638706 has 16 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 1064256.

The previous prime is 2638697. The next prime is 2638717. The reversal of 2638706 is 6078362.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 3³ + 8⁷ + 7⁵ + 0 + 6³ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

2^2638706 is an apocalyptic number.

2638706 is a deficient number, since it is larger than the sum of its proper divisors (2151310).

2638706 is a wasteful number, since it uses less digits than its factorization.

2638706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2638706 is about 1624.4094311472. The cubic root of 2638706 is about 138.1858798804.

The spelling of 2638706 in words is "two million, six hundred thirty-eight thousand, seven hundred six".