2645654 has 16 divisors (see below), whose sum is σ = 4412880. Its totient is φ = 1179360.

The previous prime is 2645651. The next prime is 2645663. The reversal of 2645654 is 4565462.

2645654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2645654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645651) 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 7 ways as a sum of consecutive naturals, for example, 32 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (275805).

2^2645654 is an apocalyptic number.

2645654 is a deficient number, since it is larger than the sum of its proper divisors (1767226).

2645654 is a wasteful number, since it uses less digits than its factorization.

2645654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335.

The product of its digits is 28800, while the sum is 32.

The square root of 2645654 is about 1626.5466485779. The cubic root of 2645654 is about 138.3070597349.

The spelling of 2645654 in words is "two million, six hundred forty-five thousand, six hundred fifty-four".