8394993 has 12 divisors (see below), whose sum is σ = 12151620. Its totient is φ = 5584896.

The previous prime is 8394983. The next prime is 8395021. The reversal of 8394993 is 3994938.

8394993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7033104 + 1361889 = 2652^2 + 1167^2 .

It is not a de Polignac number, because 8394993 - 2¹⁰ = 8393969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8394913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6705 + ... + 7857.

It is an arithmetic number, because the mean of its divisors is an integer number (1012635).

Almost surely, 2^8394993 is an apocalyptic number.

It is an amenable number.

8394993 is a deficient number, since it is larger than the sum of its proper divisors (3756627).

8394993 is a wasteful number, since it uses less digits than its factorization.

8394993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1965 counting only the distinct ones).

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

The square root of 8394993 is about 2897.4114309155. The cubic root of 8394993 is about 203.2388736800.

It can be divided in two parts, 839 and 4993, that added together give a cube (5832 = 18³).

The spelling of 8394993 in words is "eight million, three hundred ninety-four thousand, nine hundred ninety-three".