648472 has 16 divisors (see below), whose sum is σ = 1326600. Its totient is φ = 294720.

The previous prime is 648449. The next prime is 648481. The reversal of 648472 is 274846.

It is a congruent number.

It is an unprimeable number.

648472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597 + ... + 3772.

2⁶⁴⁸⁴⁷² is an apocalyptic number.

It is an amenable number.

648472 is an abundant number, since it is smaller than the sum of its proper divisors (678128).

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

648472 is a wasteful number, since it uses less digits than its factorization.

648472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386 (or 7382 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 648472 is about 805.2775918899. The cubic root of 648472 is about 86.5559796685. Note that the first 3 decimals are identical.

It can be divided in two parts, 6484 and 72, that added together give a palindrome (6556).

The spelling of 648472 in words is "six hundred forty-eight thousand, four hundred seventy-two".