47885438 has 8 divisors (see below), whose sum is σ = 74305080. Its totient is φ = 23117080.

The previous prime is 47885407. The next prime is 47885441. The reversal of 47885438 is 83458874.

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 = 47885392 and 47885401.

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, 412748 + ... + 412863.

It is an arithmetic number, because the mean of its divisors is an integer number (9288135).

Almost surely, 2^47885438 is an apocalyptic number.

47885438 is a deficient number, since it is larger than the sum of its proper divisors (26419642).

47885438 is a wasteful number, since it uses less digits than its factorization.

47885438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825642.

The product of its digits is 860160, while the sum is 47.

The square root of 47885438 is about 6919.9304909804. The cubic root of 47885438 is about 363.1347591145.

The spelling of 47885438 in words is "forty-seven million, eight hundred eighty-five thousand, four hundred thirty-eight".