8486638 has 8 divisors (see below), whose sum is σ = 13478832. Its totient is φ = 3993696.

The previous prime is 8486629. The next prime is 8486641. The reversal of 8486638 is 8366848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8486594 and 8486603.

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, 124770 + ... + 124837.

It is an arithmetic number, because the mean of its divisors is an integer number (1684854).

Almost surely, 2^8486638 is an apocalyptic number.

8486638 is a deficient number, since it is larger than the sum of its proper divisors (4992194).

8486638 is a wasteful number, since it uses less digits than its factorization.

8486638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249626.

The product of its digits is 221184, while the sum is 43.

The square root of 8486638 is about 2913.1834820347. The cubic root of 8486638 is about 203.9757596470.

The spelling of 8486638 in words is "eight million, four hundred eighty-six thousand, six hundred thirty-eight".