4306644 has 72 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 1301760.

The previous prime is 4306639. The next prime is 4306651. The reversal of 4306644 is 4466034.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18859 + ... + 19085.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

Almost surely, 2^4306644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4306644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5975424).

4306644 is an abundant number, since it is smaller than the sum of its proper divisors (7644204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4306644 is a wasteful number, since it uses less digits than its factorization.

4306644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 4306644 is about 2075.2455276425. The cubic root of 4306644 is about 162.6970422387.

It can be divided in two parts, 4306 and 644, that added together give a triangular number (4950 = T₉₉).

The spelling of 4306644 in words is "four million, three hundred six thousand, six hundred forty-four".