8387493 has 32 divisors (see below), whose sum is σ = 12512640. Its totient is φ = 4976640.

The previous prime is 8387473. The next prime is 8387501. The reversal of 8387493 is 3947838.

It is not a de Polignac number, because 8387493 - 2¹⁴ = 8371109 is a prime.

8387493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8387413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86421 + ... + 86517.

It is an arithmetic number, because the mean of its divisors is an integer number (391020).

Almost surely, 2^8387493 is an apocalyptic number.

It is an amenable number.

8387493 is a deficient number, since it is larger than the sum of its proper divisors (4125147).

8387493 is a wasteful number, since it uses less digits than its factorization.

8387493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its digits is 145152, while the sum is 42.

The square root of 8387493 is about 2896.1168830004. The cubic root of 8387493 is about 203.1783318108.

The spelling of 8387493 in words is "eight million, three hundred eighty-seven thousand, four hundred ninety-three".