4494891 has 8 divisors (see below), whose sum is σ = 6019024. Its totient is φ = 2983680.

The previous prime is 4494881. The next prime is 4494901. The reversal of 4494891 is 1984944.

It is an interprime number because it is at equal distance from previous prime (4494881) and next prime (4494901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4494891 - 2⁵ = 4494859 is a prime.

It is a Duffinian number.

4494891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4494881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (752378).

Almost surely, 2^4494891 is an apocalyptic number.

4494891 is a deficient number, since it is larger than the sum of its proper divisors (1524133).

4494891 is a wasteful number, since it uses less digits than its factorization.

4494891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461.

The product of its digits is 41472, while the sum is 39.

The square root of 4494891 is about 2120.1157987242. The cubic root of 4494891 is about 165.0338589835.

The spelling of 4494891 in words is "four million, four hundred ninety-four thousand, eight hundred ninety-one".