8971388 has 6 divisors (see below), whose sum is σ = 15699936. Its totient is φ = 4485692.

The previous prime is 8971381. The next prime is 8971397. The reversal of 8971388 is 8831798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121420 + ... + 1121427.

It is an arithmetic number, because the mean of its divisors is an integer number (2616656).

Almost surely, 2^8971388 is an apocalyptic number.

It is an amenable number.

8971388 is a deficient number, since it is larger than the sum of its proper divisors (6728548).

8971388 is a wasteful number, since it uses less digits than its factorization.

8971388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242851 (or 2242849 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 8971388 is about 2995.2275372666. The cubic root of 8971388 is about 207.7877210511.

The spelling of 8971388 in words is "eight million, nine hundred seventy-one thousand, three hundred eighty-eight".