2644606 has 4 divisors (see below), whose sum is σ = 3966912. Its totient is φ = 1322302.

The previous prime is 2644573. The next prime is 2644613. The reversal of 2644606 is 6064462.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661150 + ... + 661153.

It is an arithmetic number, because the mean of its divisors is an integer number (991728).

2^2644606 is an apocalyptic number.

2644606 is a deficient number, since it is larger than the sum of its proper divisors (1322306).

2644606 is a wasteful number, since it uses less digits than its factorization.

2644606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322305.

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

The square root of 2644606 is about 1626.2244617518. The cubic root of 2644606 is about 138.2887951973.

The spelling of 2644606 in words is "two million, six hundred forty-four thousand, six hundred six".