8929993 has 8 divisors (see below), whose sum is σ = 9088200. Its totient is φ = 8773248.

The previous prime is 8929969. The next prime is 8930011. The reversal of 8929993 is 3999298.

It can be written as a sum of positive squares in 4 ways, for example, as 1849 + 8928144 = 43^2 + 2988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8929993 - 2²¹ = 6832841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8929933) 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, 23755 + ... + 24127.

It is an arithmetic number, because the mean of its divisors is an integer number (1136025).

Almost surely, 2^8929993 is an apocalyptic number.

It is an amenable number.

8929993 is a deficient number, since it is larger than the sum of its proper divisors (158207).

8929993 is a wasteful number, since it uses less digits than its factorization.

8929993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 314928, while the sum is 49.

The square root of 8929993 is about 2988.3093882662. The cubic root of 8929993 is about 207.4676428957.

The spelling of 8929993 in words is "eight million, nine hundred twenty-nine thousand, nine hundred ninety-three".