4384991 has 16 divisors (see below), whose sum is σ = 5103840. Its totient is φ = 3732480.

The previous prime is 4384987. The next prime is 4384993. The reversal of 4384991 is 1994834.

It is a cyclic number.

It is not a de Polignac number, because 4384991 - 2² = 4384987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4384993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9911 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (318990).

Almost surely, 2^4384991 is an apocalyptic number.

4384991 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4384991 is a deficient number, since it is larger than the sum of its proper divisors (718849).

4384991 is a wasteful number, since it uses less digits than its factorization.

4384991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 31104, while the sum is 38.

The square root of 4384991 is about 2094.0370101791. The cubic root of 4384991 is about 163.6777207569.

The spelling of 4384991 in words is "four million, three hundred eighty-four thousand, nine hundred ninety-one".