658648 has 32 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 297472.

The previous prime is 658643. The next prime is 658649. The reversal of 658648 is 846856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861 + ... + 4027.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2⁶⁵⁸⁶⁴⁸ is an apocalyptic number.

658648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

658648 is an abundant number, since it is smaller than the sum of its proper divisors (702152).

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

658648 is a wasteful number, since it uses less digits than its factorization.

658648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 215 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 658648 is about 811.5713154123. The cubic root of 658648 is about 87.0063852274.

The spelling of 658648 in words is "six hundred fifty-eight thousand, six hundred forty-eight".