2847463920 has 120 divisors (see below), whose sum is σ = 10928857056. Its totient is φ = 650847744.

The previous prime is 2847463901. The next prime is 2847463921. The reversal of 2847463920 is 293647482.

2847463920 is a `hidden beast` number, since 2 + 8 + 4 + 7 + 4 + 639 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847463921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277447 + ... + 287526.

Almost surely, 2^2847463920 is an apocalyptic number.

2847463920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2847463920 is an abundant number, since it is smaller than the sum of its proper divisors (8081393136).

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

2847463920 is a wasteful number, since it uses less digits than its factorization.

2847463920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564999 (or 564990 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2847463920 is about 53361.6334082831. The cubic root of 2847463920 is about 1417.3792698796.

The spelling of 2847463920 in words is "two billion, eight hundred forty-seven million, four hundred sixty-three thousand, nine hundred twenty".