8639996 has 12 divisors (see below), whose sum is σ = 15777552. Its totient is φ = 4132128.

The previous prime is 8639987. The next prime is 8640001. The reversal of 8639996 is 6999368.

8639996 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46865 + ... + 47048.

It is an arithmetic number, because the mean of its divisors is an integer number (1314796).

Almost surely, 2^8639996 is an apocalyptic number.

It is an amenable number.

8639996 is a deficient number, since it is larger than the sum of its proper divisors (7137556).

8639996 is a wasteful number, since it uses less digits than its factorization.

8639996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93940 (or 93938 counting only the distinct ones).

The product of its digits is 629856, while the sum is 50.

The square root of 8639996 is about 2939.3870109259. The cubic root of 8639996 is about 205.1970819350.

The spelling of 8639996 in words is "eight million, six hundred thirty-nine thousand, nine hundred ninety-six".