8349993 has 8 divisors (see below), whose sum is σ = 12370400. Its totient is φ = 5566644.

The previous prime is 8349983. The next prime is 8349997. The reversal of 8349993 is 3999438.

It is not a de Polignac number, because 8349993 - 2⁴ = 8349977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8349997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154603 + ... + 154656.

It is an arithmetic number, because the mean of its divisors is an integer number (1546300).

Almost surely, 2^8349993 is an apocalyptic number.

It is an amenable number.

8349993 is a deficient number, since it is larger than the sum of its proper divisors (4020407).

8349993 is a wasteful number, since it uses less digits than its factorization.

8349993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309268 (or 309262 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 8349993 is about 2889.6354441348. The cubic root of 8349993 is about 202.8750798651.

The spelling of 8349993 in words is "eight million, three hundred forty-nine thousand, nine hundred ninety-three".