47842238 has 16 divisors (see below), whose sum is σ = 74473344. Its totient is φ = 23026080.

The previous prime is 47842213. The next prime is 47842241. The reversal of 47842238 is 83224874.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10256 + ... + 14172.

It is an arithmetic number, because the mean of its divisors is an integer number (4654584).

Almost surely, 2^47842238 is an apocalyptic number.

47842238 is a deficient number, since it is larger than the sum of its proper divisors (26631106).

47842238 is a wasteful number, since it uses less digits than its factorization.

47842238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its digits is 86016, while the sum is 38.

The square root of 47842238 is about 6916.8083680264. The cubic root of 47842238 is about 363.0255252006.

The spelling of 47842238 in words is "forty-seven million, eight hundred forty-two thousand, two hundred thirty-eight".