8937493 has 2 divisors, whose sum is σ = 8937494. Its totient is φ = 8937492.

The previous prime is 8937491. The next prime is 8937503. The reversal of 8937493 is 3947398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8898289 + 39204 = 2983^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 8937493 - 2¹ = 8937491 is a prime.

It is a super-2 number, since 2×8937493² = 159757562250098, which contains 22 as substring.

Together with 8937491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8937491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4468746 + 4468747.

It is an arithmetic number, because the mean of its divisors is an integer number (4468747).

Almost surely, 2^8937493 is an apocalyptic number.

It is an amenable number.

8937493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8937493 is an equidigital number, since it uses as much as digits as its factorization.

8937493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 8937493 is about 2989.5640150363. The cubic root of 8937493 is about 207.5257083355.

The spelling of 8937493 in words is "eight million, nine hundred thirty-seven thousand, four hundred ninety-three".