647341332 has 24 divisors (see below), whose sum is σ = 1647778272. Its totient is φ = 196164000.

The previous prime is 647341327. The next prime is 647341361. The reversal of 647341332 is 233143746.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 647341293 and 647341302.

It is a congruent number.

It is an unprimeable number.

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, 2451919 + ... + 2452182.

It is an arithmetic number, because the mean of its divisors is an integer number (68657428).

Almost surely, 2^647341332 is an apocalyptic number.

It is an amenable number.

647341332 is an abundant number, since it is smaller than the sum of its proper divisors (1000436940).

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

647341332 is a wasteful number, since it uses less digits than its factorization.

647341332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904119 (or 4904117 counting only the distinct ones).

The product of its digits is 36288, while the sum is 33.

The square root of 647341332 is about 25442.9033720604. The cubic root of 647341332 is about 865.0564441321.

It can be divided in two parts, 64734 and 1332, that added together give a palindrome (66066).

The spelling of 647341332 in words is "six hundred forty-seven million, three hundred forty-one thousand, three hundred thirty-two".