4910891 has 8 divisors (see below), whose sum is σ = 5162400. Its totient is φ = 4662592.

The previous prime is 4910887. The next prime is 4910897. The reversal of 4910891 is 1980194.

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

It is a cyclic number.

It is not a de Polignac number, because 4910891 - 2² = 4910887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4910897) 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, 2711 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (645300).

Almost surely, 2^4910891 is an apocalyptic number.

4910891 is a deficient number, since it is larger than the sum of its proper divisors (251509).

4910891 is a wasteful number, since it uses less digits than its factorization.

4910891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 4910891 is about 2216.0530228314. The cubic root of 4910891 is about 169.9756712590.

The spelling of 4910891 in words is "four million, nine hundred ten thousand, eight hundred ninety-one".