8729493 has 16 divisors (see below), whose sum is σ = 12676800. Its totient is φ = 5322240.

The previous prime is 8729491. The next prime is 8729543. The reversal of 8729493 is 3949278.

It is not a de Polignac number, because 8729493 - 2¹ = 8729491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8729491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (792300).

Almost surely, 2^8729493 is an apocalyptic number.

It is an amenable number.

8729493 is a deficient number, since it is larger than the sum of its proper divisors (3947307).

8729493 is a wasteful number, since it uses less digits than its factorization.

8729493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332.

The product of its digits is 108864, while the sum is 42.

The square root of 8729493 is about 2954.5715425422. The cubic root of 8729493 is about 205.9031577359.

The spelling of 8729493 in words is "eight million, seven hundred twenty-nine thousand, four hundred ninety-three".