47686216 has 8 divisors (see below), whose sum is σ = 89411670. Its totient is φ = 23843104.

The previous prime is 47686193. The next prime is 47686231. The reversal of 47686216 is 61268674.

It can be written as a sum of positive squares in only one way, i.e., 32832900 + 14853316 = 5730^2 + 3854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2980381 + ... + 2980396.

Almost surely, 2^47686216 is an apocalyptic number.

It is an amenable number.

47686216 is a deficient number, since it is larger than the sum of its proper divisors (41725454).

47686216 is a wasteful number, since it uses less digits than its factorization.

47686216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960783 (or 5960779 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 47686216 is about 6905.5206899987. The cubic root of 47686216 is about 362.6304652867.

The spelling of 47686216 in words is "forty-seven million, six hundred eighty-six thousand, two hundred sixteen".