8939690 has 16 divisors (see below), whose sum is σ = 16938720. Its totient is φ = 3387600.

The previous prime is 8939597. The next prime is 8939699. The reversal of 8939690 is 969398.

It is a super-2 number, since 2×8939690² = 159836114592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8939699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23336 + ... + 23715.

It is an arithmetic number, because the mean of its divisors is an integer number (1058670).

Almost surely, 2^8939690 is an apocalyptic number.

8939690 is a deficient number, since it is larger than the sum of its proper divisors (7999030).

8939690 is a wasteful number, since it uses less digits than its factorization.

8939690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47077.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 8939690 is about 2989.9314373410. The cubic root of 8939690 is about 207.5427114864.

The spelling of 8939690 in words is "eight million, nine hundred thirty-nine thousand, six hundred ninety".