653448 has 32 divisors (see below), whose sum is σ = 1720800. Its totient is φ = 206208.

The previous prime is 653431. The next prime is 653461. The reversal of 653448 is 844356.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653448.

It is an unprimeable number.

653448 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 7 ways as a sum of consecutive naturals, for example, 261 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (53775).

2⁶⁵³⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

653448 is an abundant number, since it is smaller than the sum of its proper divisors (1067352).

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

653448 is a wasteful number, since it uses less digits than its factorization.

653448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1457 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 653448 is about 808.3613053579. The cubic root of 653448 is about 86.7768093383.

The spelling of 653448 in words is "six hundred fifty-three thousand, four hundred forty-eight".