893984493 has 16 divisors (see below), whose sum is σ = 1245335040. Its totient is φ = 569375664.

The previous prime is 893984489. The next prime is 893984503. The reversal of 893984493 is 394489398.

It is not a de Polignac number, because 893984493 - 2² = 893984489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893984453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51730 + ... + 66812.

It is an arithmetic number, because the mean of its divisors is an integer number (77833440).

Almost surely, 2^893984493 is an apocalyptic number.

It is an amenable number.

893984493 is a deficient number, since it is larger than the sum of its proper divisors (351350547).

893984493 is a wasteful number, since it uses less digits than its factorization.

893984493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15968.

The product of its digits is 6718464, while the sum is 57.

The square root of 893984493 is about 29899.5734584960. The cubic root of 893984493 is about 963.3334971111. Note that the first 3 decimals are identical.

The spelling of 893984493 in words is "eight hundred ninety-three million, nine hundred eighty-four thousand, four hundred ninety-three".