648470334 has 16 divisors (see below), whose sum is σ = 1341663120. Its totient is φ = 208703040.

The previous prime is 648470299. The next prime is 648470359. The reversal of 648470334 is 433074846.

It is a junction number, because it is equal to n+sod(n) for n = 648470292 and 648470301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863247 + ... + 1863594.

It is an arithmetic number, because the mean of its divisors is an integer number (83853945).

Almost surely, 2^648470334 is an apocalyptic number.

648470334 is an abundant number, since it is smaller than the sum of its proper divisors (693192786).

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

648470334 is a wasteful number, since it uses less digits than its factorization.

648470334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726875.

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 648470334 is about 25465.0806792360. The cubic root of 648470334 is about 865.5590554429.

The spelling of 648470334 in words is "six hundred forty-eight million, four hundred seventy thousand, three hundred thirty-four".