47909834 has 8 divisors (see below), whose sum is σ = 82131168. Its totient is φ = 20532780.

The previous prime is 47909833. The next prime is 47909837. The reversal of 47909834 is 43890974.

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

It is not an unprimeable number, because it can be changed into a prime (47909831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711052 + ... + 1711079.

It is an arithmetic number, because the mean of its divisors is an integer number (10266396).

Almost surely, 2^47909834 is an apocalyptic number.

47909834 is a deficient number, since it is larger than the sum of its proper divisors (34221334).

47909834 is a wasteful number, since it uses less digits than its factorization.

47909834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422140.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 47909834 is about 6921.6930009933. The cubic root of 47909834 is about 363.1964169095.

The spelling of 47909834 in words is "forty-seven million, nine hundred nine thousand, eight hundred thirty-four".