647326000 has 160 divisors (see below), whose sum is σ = 1685249280. Its totient is φ = 239616000.

The previous prime is 647325947. The next prime is 647326013. The reversal of 647326000 is 623746.

It is a self number, because there is not a number n which added to its sum of digits gives 647326000.

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 31 ways as a sum of consecutive naturals, for example, 2685880 + ... + 2686120.

It is an arithmetic number, because the mean of its divisors is an integer number (10532808).

Almost surely, 2^647326000 is an apocalyptic number.

647326000 is the 13600-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647326000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842624640).

647326000 is an abundant number, since it is smaller than the sum of its proper divisors (1037923280).

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

647326000 is a wasteful number, since it uses less digits than its factorization.

647326000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 647326000 is about 25442.6020681848. The cubic root of 647326000 is about 865.0496145821.

Adding to 647326000 its reverse (623746), we get a palindrome (647949746).

The spelling of 647326000 in words is "six hundred forty-seven million, three hundred twenty-six thousand".