4647238644 has 96 divisors (see below), whose sum is σ = 11684736000. Its totient is φ = 1434700800.

The previous prime is 4647238627. The next prime is 4647238679. The reversal of 4647238644 is 4468327464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4647238593 and 4647238602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 805482 + ... + 811230.

It is an arithmetic number, because the mean of its divisors is an integer number (121716000).

Almost surely, 2^4647238644 is an apocalyptic number.

It is an amenable number.

4647238644 is an abundant number, since it is smaller than the sum of its proper divisors (7037497356).

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

4647238644 is a wasteful number, since it uses less digits than its factorization.

4647238644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881 (or 5879 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 48.

The square root of 4647238644 is about 68170.6582335832. The cubic root of 4647238644 is about 1668.7770749693. Note that the first 3 decimals are identical.

The spelling of 4647238644 in words is "four billion, six hundred forty-seven million, two hundred thirty-eight thousand, six hundred forty-four".