648258 has 16 divisors (see below), whose sum is σ = 1396416. Its totient is φ = 199440.

The previous prime is 648257. The next prime is 648259. The reversal of 648258 is 852846.

It is an interprime number because it is at equal distance from previous prime (648257) and next prime (648259).

It is not an unprimeable number, because it can be changed into a prime (648257) 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, 4078 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (87276).

2⁶⁴⁸²⁵⁸ is an apocalyptic number.

648258 is an abundant number, since it is smaller than the sum of its proper divisors (748158).

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

648258 is a wasteful number, since it uses less digits than its factorization.

648258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329.

The product of its digits is 15360, while the sum is 33.

The square root of 648258 is about 805.1447074905. The cubic root of 648258 is about 86.5464572745.

The spelling of 648258 in words is "six hundred forty-eight thousand, two hundred fifty-eight".