8989427 has 6 divisors (see below), whose sum is σ = 9074628. Its totient is φ = 8904852.

The previous prime is 8989399. The next prime is 8989459. The reversal of 8989427 is 7249898.

8989427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8989427 - 2¹⁶ = 8923891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8989027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39488 + ... + 39714.

It is an arithmetic number, because the mean of its divisors is an integer number (1512438).

Almost surely, 2^8989427 is an apocalyptic number.

8989427 is a deficient number, since it is larger than the sum of its proper divisors (85201).

8989427 is an equidigital number, since it uses as much as digits as its factorization.

8989427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 426 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 8989427 is about 2998.2373154906. The cubic root of 8989427 is about 207.9268958457.

The spelling of 8989427 in words is "eight million, nine hundred eighty-nine thousand, four hundred twenty-seven".