648734196 has 24 divisors (see below), whose sum is σ = 1651323744. Its totient is φ = 196586080.

The previous prime is 648734189. The next prime is 648734213. The reversal of 648734196 is 691437846.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2457195 + ... + 2457458.

It is an arithmetic number, because the mean of its divisors is an integer number (68805156).

Almost surely, 2^648734196 is an apocalyptic number.

648734196 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

648734196 is an abundant number, since it is smaller than the sum of its proper divisors (1002589548).

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

648734196 is a wasteful number, since it uses less digits than its factorization.

648734196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914671 (or 4914669 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 648734196 is about 25470.2610116190. The cubic root of 648734196 is about 865.6764379257.

The spelling of 648734196 in words is "six hundred forty-eight million, seven hundred thirty-four thousand, one hundred ninety-six".