947473848 has 160 divisors (see below), whose sum is σ = 2773900800. Its totient is φ = 301771008.

The previous prime is 947473847. The next prime is 947473859. The reversal of 947473848 is 848374749.

947473848 is a `hidden beast` number, since 94 + 7 + 473 + 84 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 947473794 and 947473803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947473841) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2386386 + ... + 2386782.

It is an arithmetic number, because the mean of its divisors is an integer number (17336880).

Almost surely, 2^947473848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947473848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386950400).

947473848 is an abundant number, since it is smaller than the sum of its proper divisors (1826426952).

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

947473848 is a wasteful number, since it uses less digits than its factorization.

947473848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 558 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 947473848 is about 30781.0631395343. The cubic root of 947473848 is about 982.1754560025.

Subtracting from 947473848 its reverse (848374749), we obtain a palindrome (99099099).

The spelling of 947473848 in words is "nine hundred forty-seven million, four hundred seventy-three thousand, eight hundred forty-eight".