47838042 has 24 divisors (see below), whose sum is σ = 118456416. Its totient is φ = 13667976.

The previous prime is 47838031. The next prime is 47838047. The reversal of 47838042 is 24083874.

It is a junction number, because it is equal to n+sod(n) for n = 47837988 and 47838006.

It is not an unprimeable number, because it can be changed into a prime (47838047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189708 + ... + 189959.

It is an arithmetic number, because the mean of its divisors is an integer number (4935684).

Almost surely, 2^47838042 is an apocalyptic number.

47838042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47838042 is an abundant number, since it is smaller than the sum of its proper divisors (70618374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47838042 is a wasteful number, since it uses less digits than its factorization.

47838042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379682 (or 379679 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 47838042 is about 6916.5050422883. The cubic root of 47838042 is about 363.0149118479.

The spelling of 47838042 in words is "forty-seven million, eight hundred thirty-eight thousand, forty-two".