4094489 has 6 divisors (see below), whose sum is σ = 4763034. Its totient is φ = 3509520.

The previous prime is 4094479. The next prime is 4094513. The reversal of 4094489 is 9844904.

It can be written as a sum of positive squares in only one way, i.e., 2917264 + 1177225 = 1708^2 + 1085^2 .

It is not a de Polignac number, because 4094489 - 2¹⁶ = 4028953 is a prime.

It is a super-2 number, since 2×4094489² = 33529680342242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4094429) 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 5 ways as a sum of consecutive naturals, for example, 41732 + ... + 41829.

It is an arithmetic number, because the mean of its divisors is an integer number (793839).

Almost surely, 2^4094489 is an apocalyptic number.

4094489 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4094489 is a deficient number, since it is larger than the sum of its proper divisors (668545).

4094489 is an equidigital number, since it uses as much as digits as its factorization.

4094489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83575 (or 83568 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4094489 is about 2023.4843710788. The cubic root of 4094489 is about 159.9803231011.

The spelling of 4094489 in words is "four million, ninety-four thousand, four hundred eighty-nine".