4668491 has 2 divisors, whose sum is σ = 4668492. Its totient is φ = 4668490.

The previous prime is 4668487. The next prime is 4668511. The reversal of 4668491 is 1948664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4668491 - 2² = 4668487 is a prime.

It is not a weakly prime, because it can be changed into another prime (4668431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2334245 + 2334246.

It is an arithmetic number, because the mean of its divisors is an integer number (2334246).

Almost surely, 2^4668491 is an apocalyptic number.

4668491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4668491 is an equidigital number, since it uses as much as digits as its factorization.

4668491 is an evil number, because the sum of its binary digits is even.

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

The square root of 4668491 is about 2160.6691093270. The cubic root of 4668491 is about 167.1317043440.

The spelling of 4668491 in words is "four million, six hundred sixty-eight thousand, four hundred ninety-one".