4684391 has 2 divisors, whose sum is σ = 4684392. Its totient is φ = 4684390.

The previous prime is 4684357. The next prime is 4684447. The reversal of 4684391 is 1934864.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4684391 - 2¹⁸ = 4422247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4684301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342195 + 2342196.

It is an arithmetic number, because the mean of its divisors is an integer number (2342196).

Almost surely, 2^4684391 is an apocalyptic number.

4684391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4684391 is an equidigital number, since it uses as much as digits as its factorization.

4684391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 4684391 is about 2164.3453975741. The cubic root of 4684391 is about 167.3212290344.

The spelling of 4684391 in words is "four million, six hundred eighty-four thousand, three hundred ninety-one".