47156996 has 18 divisors (see below), whose sum is σ = 83626830. Its totient is φ = 23267712.

The previous prime is 47156947. The next prime is 47156999. The reversal of 47156996 is 69965174.

47156996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 7214596 = 6320^2 + 2686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47156996.

It is not an unprimeable number, because it can be changed into a prime (47156999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24020 + ... + 25908.

It is an arithmetic number, because the mean of its divisors is an integer number (4645935).

Almost surely, 2^47156996 is an apocalyptic number.

It is an amenable number.

47156996 is a deficient number, since it is larger than the sum of its proper divisors (36469834).

47156996 is a wasteful number, since it uses less digits than its factorization.

47156996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 1970 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 47156996 is about 6867.0951646238. The cubic root of 47156996 is about 361.2839850213.

It can be divided in two parts, 4715 and 6996, that added together give a palindrome (11711).

The spelling of 47156996 in words is "forty-seven million, one hundred fifty-six thousand, nine hundred ninety-six".