47996636 has 6 divisors (see below), whose sum is σ = 83994120. Its totient is φ = 23998316.

The previous prime is 47996633. The next prime is 47996647. The reversal of 47996636 is 63669974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47996633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999576 + ... + 5999583.

It is an arithmetic number, because the mean of its divisors is an integer number (13999020).

Almost surely, 2^47996636 is an apocalyptic number.

It is an amenable number.

47996636 is a deficient number, since it is larger than the sum of its proper divisors (35997484).

47996636 is a wasteful number, since it uses less digits than its factorization.

47996636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999163 (or 11999161 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 50.

The square root of 47996636 is about 6927.9604502335. The cubic root of 47996636 is about 363.4156283769.

The spelling of 47996636 in words is "forty-seven million, nine hundred ninety-six thousand, six hundred thirty-six".