4493647 has 2 divisors, whose sum is σ = 4493648. Its totient is φ = 4493646.

The previous prime is 4493597. The next prime is 4493651. The reversal of 4493647 is 7463944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4493647 - 2¹⁵ = 4460879 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4493147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246823 + 2246824.

It is an arithmetic number, because the mean of its divisors is an integer number (2246824).

Almost surely, 2^4493647 is an apocalyptic number.

4493647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4493647 is an equidigital number, since it uses as much as digits as its factorization.

4493647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 4493647 is about 2119.8223982211. The cubic root of 4493647 is about 165.0186327290.

It can be divided in two parts, 449 and 3647, that added together give a 12-th power (4096 = 2¹²).

The spelling of 4493647 in words is "four million, four hundred ninety-three thousand, six hundred forty-seven".