47842384 has 20 divisors (see below), whose sum is σ = 93180916. Its totient is φ = 23795712.

The previous prime is 47842339. The next prime is 47842397. The reversal of 47842384 is 48324874.

It can be written as a sum of positive squares in 2 ways, for example, as 6110784 + 41731600 = 2472^2 + 6460^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659 + ... + 10834.

Almost surely, 2^47842384 is an apocalyptic number.

It is an amenable number.

47842384 is a deficient number, since it is larger than the sum of its proper divisors (45338532).

47842384 is a wasteful number, since it uses less digits than its factorization.

47842384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15688 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 47842384 is about 6916.8189220190. The cubic root of 47842384 is about 363.0258944815.

The spelling of 47842384 in words is "forty-seven million, eight hundred forty-two thousand, three hundred eighty-four".