8424993 has 16 divisors (see below), whose sum is σ = 11707200. Its totient is φ = 5382720.

The previous prime is 8424973. The next prime is 8425057. The reversal of 8424993 is 3994248.

It is not a de Polignac number, because 8424993 - 2¹² = 8420897 is a prime.

8424993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8424973) 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 in 15 ways as a sum of consecutive naturals, for example, 15303 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (731700).

Almost surely, 2^8424993 is an apocalyptic number.

It is an amenable number.

8424993 is a deficient number, since it is larger than the sum of its proper divisors (3282207).

8424993 is a wasteful number, since it uses less digits than its factorization.

8424993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 62208, while the sum is 39.

The square root of 8424993 is about 2902.5838489181. The cubic root of 8424993 is about 203.4806812168.

The spelling of 8424993 in words is "eight million, four hundred twenty-four thousand, nine hundred ninety-three".