646848006 has 32 divisors (see below), whose sum is σ = 1483761408. Its totient is φ = 184157280.

The previous prime is 646847983. The next prime is 646848031. The reversal of 646848006 is 600848646.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 15325 + ... + 39096.

It is an arithmetic number, because the mean of its divisors is an integer number (46367544).

Almost surely, 2^646848006 is an apocalyptic number.

646848006 is an abundant number, since it is smaller than the sum of its proper divisors (836913402).

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

646848006 is a wasteful number, since it uses less digits than its factorization.

646848006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54716.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 646848006 is about 25433.2067580948. The cubic root of 646848006 is about 864.8366408294.

The spelling of 646848006 in words is "six hundred forty-six million, eight hundred forty-eight thousand, six".