8458493 has 2 divisors, whose sum is σ = 8458494. Its totient is φ = 8458492.

The previous prime is 8458441. The next prime is 8458501. The reversal of 8458493 is 3948548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 851929 = 2758^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 8458493 - 2²⁰ = 7409917 is a prime.

It is a super-2 number, since 2×8458493² = 143092207662098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8458493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8458403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229246 + 4229247.

It is an arithmetic number, because the mean of its divisors is an integer number (4229247).

Almost surely, 2^8458493 is an apocalyptic number.

It is an amenable number.

8458493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8458493 is an equidigital number, since it uses as much as digits as its factorization.

8458493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 8458493 is about 2908.3488442757. The cubic root of 8458493 is about 203.7500222063.

The spelling of 8458493 in words is "eight million, four hundred fifty-eight thousand, four hundred ninety-three".