648853470 has 32 divisors (see below), whose sum is σ = 1730276640. Its totient is φ = 173027520.

The previous prime is 648853463. The next prime is 648853487. The reversal of 648853470 is 74358846.

648853470 is a `hidden beast` number, since 6 + 48 + 8 + 534 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 1201311 + ... + 1201850.

It is an arithmetic number, because the mean of its divisors is an integer number (54071145).

Almost surely, 2^648853470 is an apocalyptic number.

648853470 is an abundant number, since it is smaller than the sum of its proper divisors (1081423170).

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

648853470 is a wasteful number, since it uses less digits than its factorization.

648853470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403177 (or 2403171 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 648853470 is about 25472.6023405541. The cubic root of 648853470 is about 865.7294880885.

The spelling of 648853470 in words is "six hundred forty-eight million, eight hundred fifty-three thousand, four hundred seventy".