4491044 has 6 divisors (see below), whose sum is σ = 7859334. Its totient is φ = 2245520.

The previous prime is 4491037. The next prime is 4491079. The reversal of 4491044 is 4401944.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 1532644 = 1720^2 + 1238^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561377 + ... + 561384.

It is an arithmetic number, because the mean of its divisors is an integer number (1309889).

Almost surely, 2^4491044 is an apocalyptic number.

It is an amenable number.

4491044 is a deficient number, since it is larger than the sum of its proper divisors (3368290).

4491044 is a wasteful number, since it uses less digits than its factorization.

4491044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122765 (or 1122763 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4491044 is about 2119.2083427544. The cubic root of 4491044 is about 164.9867635540.

Adding to 4491044 its reverse (4401944), we get a palindrome (8892988).

The spelling of 4491044 in words is "four million, four hundred ninety-one thousand, forty-four".