4646891 has 2 divisors, whose sum is σ = 4646892. Its totient is φ = 4646890.

The previous prime is 4646857. The next prime is 4646911. The reversal of 4646891 is 1986464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4646891 - 2¹⁰ = 4645867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4646801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323445 + 2323446.

It is an arithmetic number, because the mean of its divisors is an integer number (2323446).

Almost surely, 2^4646891 is an apocalyptic number.

4646891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646891 is an equidigital number, since it uses as much as digits as its factorization.

4646891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 4646891 is about 2155.6648626352. The cubic root of 4646891 is about 166.8735462100.

The spelling of 4646891 in words is "four million, six hundred forty-six thousand, eight hundred ninety-one".