47909346 has 8 divisors (see below), whose sum is σ = 95818704. Its totient is φ = 15969780.

The previous prime is 47909327. The next prime is 47909347. The reversal of 47909346 is 64390974.

47909346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

47909346 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 47909298 and 47909307.

It is not an unprimeable number, because it can be changed into a prime (47909347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3992440 + ... + 3992451.

It is an arithmetic number, because the mean of its divisors is an integer number (11977338).

Almost surely, 2^47909346 is an apocalyptic number.

47909346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47909346 is a wasteful number, since it uses less digits than its factorization.

47909346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984896.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 47909346 is about 6921.6577494123. The cubic root of 47909346 is about 363.1951837566.

The spelling of 47909346 in words is "forty-seven million, nine hundred nine thousand, three hundred forty-six".