2644654 has 4 divisors (see below), whose sum is σ = 3966984. Its totient is φ = 1322326.

The previous prime is 2644637. The next prime is 2644657. The reversal of 2644654 is 4564462.

2644654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644657) 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 as a sum of consecutive naturals, namely, 661162 + ... + 661165.

It is an arithmetic number, because the mean of its divisors is an integer number (991746).

2^2644654 is an apocalyptic number.

2644654 is a deficient number, since it is larger than the sum of its proper divisors (1322330).

2644654 is a wasteful number, since it uses less digits than its factorization.

2644654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322329.

The product of its digits is 23040, while the sum is 31.

The square root of 2644654 is about 1626.2392197952. The cubic root of 2644654 is about 138.2896318464.

The spelling of 2644654 in words is "two million, six hundred forty-four thousand, six hundred fifty-four".