4831391 has 2 divisors, whose sum is σ = 4831392. Its totient is φ = 4831390.

The previous prime is 4831373. The next prime is 4831441. The reversal of 4831391 is 1931384.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4831391 is a prime.

It is equal to p₃₃₇₄₆₆ and since 4831391 and 337466 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4831091) 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 as a sum of consecutive naturals, namely, 2415695 + 2415696.

It is an arithmetic number, because the mean of its divisors is an integer number (2415696).

Almost surely, 2^4831391 is an apocalyptic number.

4831391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4831391 is an equidigital number, since it uses as much as digits as its factorization.

4831391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 4831391 is about 2198.0425382599. The cubic root of 4831391 is about 169.0534592731.

The spelling of 4831391 in words is "four million, eight hundred thirty-one thousand, three hundred ninety-one".