47858644 has 24 divisors (see below), whose sum is σ = 90316800. Its totient is φ = 22115520.

The previous prime is 47858633. The next prime is 47858647. The reversal of 47858644 is 44685874.

47858644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47858594 and 47858603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47858647) 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 7 ways as a sum of consecutive naturals, for example, 4564 + ... + 10795.

It is an arithmetic number, because the mean of its divisors is an integer number (3763200).

Almost surely, 2^47858644 is an apocalyptic number.

It is an amenable number.

47858644 is a deficient number, since it is larger than the sum of its proper divisors (42458156).

47858644 is a wasteful number, since it uses less digits than its factorization.

47858644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15423 (or 15421 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 47858644 is about 6917.9942179797. The cubic root of 47858644 is about 363.0670165435.

The spelling of 47858644 in words is "forty-seven million, eight hundred fifty-eight thousand, six hundred forty-four".