8869939 has 4 divisors (see below), whose sum is σ = 9552256. Its totient is φ = 8187624.

The previous prime is 8869919. The next prime is 8869951. The reversal of 8869939 is 9399688.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8869939 - 2¹³ = 8861747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8869909) 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 in 3 ways as a sum of consecutive naturals, for example, 341139 + ... + 341164.

It is an arithmetic number, because the mean of its divisors is an integer number (2388064).

Almost surely, 2^8869939 is an apocalyptic number.

8869939 is a deficient number, since it is larger than the sum of its proper divisors (682317).

8869939 is a wasteful number, since it uses less digits than its factorization.

8869939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682316.

The product of its digits is 839808, while the sum is 52.

The square root of 8869939 is about 2978.2442814517. The cubic root of 8869939 is about 207.0015247229.

The spelling of 8869939 in words is "eight million, eight hundred sixty-nine thousand, nine hundred thirty-nine".