47709838 has 32 divisors (see below), whose sum is σ = 80156160. Its totient is φ = 21116160.

The previous prime is 47709791. The next prime is 47709859. The reversal of 47709838 is 83890774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168445 + ... + 168727.

It is an arithmetic number, because the mean of its divisors is an integer number (2504880).

Almost surely, 2^47709838 is an apocalyptic number.

47709838 is a deficient number, since it is larger than the sum of its proper divisors (32446322).

47709838 is a wasteful number, since it uses less digits than its factorization.

47709838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 47709838 is about 6907.2308489003. The cubic root of 47709838 is about 362.6903333403.

The spelling of 47709838 in words is "forty-seven million, seven hundred nine thousand, eight hundred thirty-eight".