47919838 has 8 divisors (see below), whose sum is σ = 76108032. Its totient is φ = 22550496.

The previous prime is 47919827. The next prime is 47919869. The reversal of 47919838 is 83891974.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47919791 and 47919800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704670 + ... + 704737.

It is an arithmetic number, because the mean of its divisors is an integer number (9513504).

Almost surely, 2^47919838 is an apocalyptic number.

47919838 is a deficient number, since it is larger than the sum of its proper divisors (28188194).

47919838 is a wasteful number, since it uses less digits than its factorization.

47919838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409426.

The product of its digits is 435456, while the sum is 49.

The square root of 47919838 is about 6922.4156188429. The cubic root of 47919838 is about 363.2216946989.

The spelling of 47919838 in words is "forty-seven million, nine hundred nineteen thousand, eight hundred thirty-eight".