4491404 has 24 divisors (see below), whose sum is σ = 8400000. Its totient is φ = 2096640.

The previous prime is 4491401. The next prime is 4491407. The reversal of 4491404 is 4041944.

It is an interprime number because it is at equal distance from previous prime (4491401) and next prime (4491407).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4491401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 4220.

It is an arithmetic number, because the mean of its divisors is an integer number (350000).

Almost surely, 2^4491404 is an apocalyptic number.

It is an amenable number.

4491404 is a deficient number, since it is larger than the sum of its proper divisors (3908596).

4491404 is a wasteful number, since it uses less digits than its factorization.

4491404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1311 counting only the distinct ones).

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

The square root of 4491404 is about 2119.2932784303. The cubic root of 4491404 is about 164.9911718570.

The spelling of 4491404 in words is "four million, four hundred ninety-one thousand, four hundred four".