4891959 has 6 divisors (see below), whose sum is σ = 7066176. Its totient is φ = 3261300.

The previous prime is 4891927. The next prime is 4891961. The reversal of 4891959 is 9591984.

It is not a de Polignac number, because 4891959 - 2⁵ = 4891927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271767 + ... + 271784.

It is an arithmetic number, because the mean of its divisors is an integer number (1177696).

Almost surely, 2^4891959 is an apocalyptic number.

4891959 is a deficient number, since it is larger than the sum of its proper divisors (2174217).

4891959 is a wasteful number, since it uses less digits than its factorization.

4891959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543557 (or 543554 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 4891959 is about 2211.7773396072. Note that the first 3 decimals coincide. The cubic root of 4891959 is about 169.7569652914.

The spelling of 4891959 in words is "four million, eight hundred ninety-one thousand, nine hundred fifty-nine".