4803991 has 2 divisors, whose sum is σ = 4803992. Its totient is φ = 4803990.

The previous prime is 4803989. The next prime is 4804021. The reversal of 4803991 is 1993084.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4803991 - 2¹ = 4803989 is a prime.

Together with 4803989, it forms a pair of twin primes.

It is a nialpdrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4803961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2401995 + 2401996.

It is an arithmetic number, because the mean of its divisors is an integer number (2401996).

Almost surely, 2^4803991 is an apocalyptic number.

4803991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4803991 is an equidigital number, since it uses as much as digits as its factorization.

4803991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4803991 is about 2191.8008577423. The cubic root of 4803991 is about 168.7332720501.

The spelling of 4803991 in words is "four million, eight hundred three thousand, nine hundred ninety-one".