8989436 has 12 divisors (see below), whose sum is σ = 16028712. Its totient is φ = 4409808.

The previous prime is 8989399. The next prime is 8989459. The reversal of 8989436 is 6349898.

8989436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20990 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (1335726).

Almost surely, 2^8989436 is an apocalyptic number.

It is an amenable number.

8989436 is a deficient number, since it is larger than the sum of its proper divisors (7039276).

8989436 is a wasteful number, since it uses less digits than its factorization.

8989436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42460 (or 42458 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 8989436 is about 2998.2388163720. The cubic root of 8989436 is about 207.9269652361.

The spelling of 8989436 in words is "eight million, nine hundred eighty-nine thousand, four hundred thirty-six".