47898138 has 16 divisors (see below), whose sum is σ = 96951456. Its totient is φ = 15773520.

The previous prime is 47898133. The next prime is 47898199. The reversal of 47898138 is 83189874.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47898133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47593 + ... + 48588.

It is an arithmetic number, because the mean of its divisors is an integer number (6059466).

Almost surely, 2^47898138 is an apocalyptic number.

47898138 is an abundant number, since it is smaller than the sum of its proper divisors (49053318).

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

47898138 is a wasteful number, since it uses less digits than its factorization.

47898138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96269.

The product of its digits is 387072, while the sum is 48.

The square root of 47898138 is about 6920.8480694204. The cubic root of 47898138 is about 363.1668593659.

The spelling of 47898138 in words is "forty-seven million, eight hundred ninety-eight thousand, one hundred thirty-eight".