655472 has 20 divisors (see below), whose sum is σ = 1290096. Its totient is φ = 322560.

The previous prime is 655471. The next prime is 655489. The reversal of 655472 is 274556.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655472.

It is not an unprimeable number, because it can be changed into a prime (655471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848 + ... + 1424.

2⁶⁵⁵⁴⁷² is an apocalyptic number.

It is an amenable number.

655472 is a deficient number, since it is larger than the sum of its proper divisors (634624).

655472 is a wasteful number, since it uses less digits than its factorization.

655472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 650 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 655472 is about 809.6122528717. The cubic root of 655472 is about 86.8663116063.

The spelling of 655472 in words is "six hundred fifty-five thousand, four hundred seventy-two".