4368491 has 2 divisors, whose sum is σ = 4368492. Its totient is φ = 4368490.

The previous prime is 4368487. The next prime is 4368503. The reversal of 4368491 is 1948634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4368491 - 2² = 4368487 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4368431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2184245 + 2184246.

It is an arithmetic number, because the mean of its divisors is an integer number (2184246).

Almost surely, 2^4368491 is an apocalyptic number.

4368491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4368491 is an equidigital number, since it uses as much as digits as its factorization.

4368491 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 4368491 is about 2090.0935385767. The cubic root of 4368491 is about 163.4721652685.

The spelling of 4368491 in words is "four million, three hundred sixty-eight thousand, four hundred ninety-one".