47838956 has 12 divisors (see below), whose sum is σ = 91329000. Its totient is φ = 21744960.

The previous prime is 47838949. The next prime is 47838961. The reversal of 47838956 is 65983874.

It is a super-2 number, since 2×47838956² = 4577131422339872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543581 + ... + 543668.

It is an arithmetic number, because the mean of its divisors is an integer number (7610750).

Almost surely, 2^47838956 is an apocalyptic number.

It is an amenable number.

47838956 is a deficient number, since it is larger than the sum of its proper divisors (43490044).

47838956 is a wasteful number, since it uses less digits than its factorization.

47838956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087264 (or 1087262 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 47838956 is about 6916.5711158059. The cubic root of 47838956 is about 363.0172237702.

The spelling of 47838956 in words is "forty-seven million, eight hundred thirty-eight thousand, nine hundred fifty-six".