4495644 has 36 divisors (see below), whose sum is σ = 11610144. Its totient is φ = 1466112.

The previous prime is 4495643. The next prime is 4495663. The reversal of 4495644 is 4465944.

4495644 is a `hidden beast` number, since 4 + 4 + 9 + 5 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4495599 and 4495608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4495643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (322504).

Almost surely, 2^4495644 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 4495644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5805072).

4495644 is an abundant number, since it is smaller than the sum of its proper divisors (7114500).

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

4495644 is a wasteful number, since it uses less digits than its factorization.

4495644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2709 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4495644 is about 2120.2933759270. The cubic root of 4495644 is about 165.0430741537.

The spelling of 4495644 in words is "four million, four hundred ninety-five thousand, six hundred forty-four".