2645606 has 8 divisors (see below), whose sum is σ = 3976680. Its totient is φ = 1320048.

The previous prime is 2645603. The next prime is 2645639. The reversal of 2645606 is 6065462.

2645606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2645606² = 13998462214472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 2306.

It is an arithmetic number, because the mean of its divisors is an integer number (497085).

2^2645606 is an apocalyptic number.

2645606 is a deficient number, since it is larger than the sum of its proper divisors (1331074).

2645606 is a wasteful number, since it uses less digits than its factorization.

2645606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2645606 is about 1626.5318933240. The cubic root of 2645606 is about 138.3062232966.

The spelling of 2645606 in words is "two million, six hundred forty-five thousand, six hundred six".