4695991 has 2 divisors, whose sum is σ = 4695992. Its totient is φ = 4695990.

The previous prime is 4695989. The next prime is 4696001. The reversal of 4695991 is 1995964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4695991 - 2¹ = 4695989 is a prime.

Together with 4695989, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4695931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2347995 + 2347996.

It is an arithmetic number, because the mean of its divisors is an integer number (2347996).

Almost surely, 2^4695991 is an apocalyptic number.

4695991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4695991 is an equidigital number, since it uses as much as digits as its factorization.

4695991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 43.

The square root of 4695991 is about 2167.0235347130. The cubic root of 4695991 is about 167.4592282141.

The spelling of 4695991 in words is "four million, six hundred ninety-five thousand, nine hundred ninety-one".