47838434 has 16 divisors (see below), whose sum is σ = 82375488. Its totient is φ = 20410512.

The previous prime is 47838419. The next prime is 47838443. The reversal of 47838434 is 43483874.

It is a junction number, because it is equal to n+sod(n) for n = 47838391 and 47838400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4349 + ... + 10704.

It is an arithmetic number, because the mean of its divisors is an integer number (5148468).

Almost surely, 2^47838434 is an apocalyptic number.

47838434 is a deficient number, since it is larger than the sum of its proper divisors (34537054).

47838434 is a wasteful number, since it uses less digits than its factorization.

47838434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15289.

The product of its digits is 258048, while the sum is 41.

The square root of 47838434 is about 6916.5333802419. The cubic root of 47838434 is about 363.0159033980.

The spelling of 47838434 in words is "forty-seven million, eight hundred thirty-eight thousand, four hundred thirty-four".