47938143 has 24 divisors (see below), whose sum is σ = 71992368. Its totient is φ = 28336000.

The previous prime is 47938139. The next prime is 47938193. The reversal of 47938143 is 34183974.

It is not a de Polignac number, because 47938143 - 2² = 47938139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47938123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13273 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (2999682).

Almost surely, 2^47938143 is an apocalyptic number.

47938143 is a deficient number, since it is larger than the sum of its proper divisors (24054225).

47938143 is a wasteful number, since it uses less digits than its factorization.

47938143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3276 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 47938143 is about 6923.7376466761. The cubic root of 47938143 is about 363.2679380850.

The spelling of 47938143 in words is "forty-seven million, nine hundred thirty-eight thousand, one hundred forty-three".