47904340 has 24 divisors (see below), whose sum is σ = 109744992. Its totient is φ = 17419680.

The previous prime is 47904313. The next prime is 47904341. The reversal of 47904340 is 4340974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47904341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108654 + ... + 109093.

It is an arithmetic number, because the mean of its divisors is an integer number (4572708).

Almost surely, 2^47904340 is an apocalyptic number.

It is an amenable number.

47904340 is an abundant number, since it is smaller than the sum of its proper divisors (61840652).

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

47904340 is a wasteful number, since it uses less digits than its factorization.

47904340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217767 (or 217765 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 47904340 is about 6921.2961213923. The cubic root of 47904340 is about 363.1825333479.

The spelling of 47904340 in words is "forty-seven million, nine hundred four thousand, three hundred forty".