4662991 has 4 divisors (see below), whose sum is σ = 4679752. Its totient is φ = 4646232.

The previous prime is 4662979. The next prime is 4663003. The reversal of 4662991 is 1992664.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4662979) and next prime (4663003).

It is a cyclic number.

It is not a de Polignac number, because 4662991 - 2⁷ = 4662863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4662991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663991) 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 in 3 ways as a sum of consecutive naturals, for example, 7956 + ... + 8521.

It is an arithmetic number, because the mean of its divisors is an integer number (1169938).

Almost surely, 2^4662991 is an apocalyptic number.

4662991 is a deficient number, since it is larger than the sum of its proper divisors (16761).

4662991 is a wasteful number, since it uses less digits than its factorization.

4662991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760.

The product of its digits is 23328, while the sum is 37.

The square root of 4662991 is about 2159.3959803612. The cubic root of 4662991 is about 167.0660453268.

The spelling of 4662991 in words is "four million, six hundred sixty-two thousand, nine hundred ninety-one".