8993772 has 18 divisors (see below), whose sum is σ = 22734348. Its totient is φ = 2997912.

The previous prime is 8993771. The next prime is 8993773. The reversal of 8993772 is 2773998.

It is an interprime number because it is at equal distance from previous prime (8993771) and next prime (8993773).

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8993771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124878 + ... + 124949.

Almost surely, 2^8993772 is an apocalyptic number.

It is an amenable number.

8993772 is an abundant number, since it is smaller than the sum of its proper divisors (13740576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8993772 is a wasteful number, since it uses less digits than its factorization.

8993772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249837 (or 249832 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 8993772 is about 2998.9618203638. The cubic root of 8993772 is about 207.9603906332.

It can be divided in two parts, 89937 and 72, that added together give a palindrome (90009).

The spelling of 8993772 in words is "eight million, nine hundred ninety-three thousand, seven hundred seventy-two".