8929389 has 32 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 4888512.

The previous prime is 8929381. The next prime is 8929391. The reversal of 8929389 is 9839298.

It is not a de Polignac number, because 8929389 - 2³ = 8929381 is a prime.

It is a Curzon number.

8929389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8929381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81867 + ... + 81975.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^8929389 is an apocalyptic number.

It is an amenable number.

8929389 is a deficient number, since it is larger than the sum of its proper divisors (5263251).

8929389 is a wasteful number, since it uses less digits than its factorization.

8929389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its digits is 279936, while the sum is 48.

The square root of 8929389 is about 2988.2083260710. The cubic root of 8929389 is about 207.4629652780.

Subtracting 8929389 from its reverse (9839298), we obtain a palindrome (909909).

The spelling of 8929389 in words is "eight million, nine hundred twenty-nine thousand, three hundred eighty-nine".