648412 has 12 divisors (see below), whose sum is σ = 1159200. Its totient is φ = 317216.

The previous prime is 648391. The next prime is 648433. The reversal of 648412 is 214846.

It is an interprime number because it is at equal distance from previous prime (648391) and next prime (648433).

It is a congruent number.

It is an unprimeable number.

648412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (96600).

2⁶⁴⁸⁴¹² is an apocalyptic number.

It is an amenable number.

648412 is a deficient number, since it is larger than the sum of its proper divisors (510788).

648412 is a wasteful number, since it uses less digits than its factorization.

648412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3498 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 648412 is about 805.2403367939. The cubic root of 648412 is about 86.5533100498.

The spelling of 648412 in words is "six hundred forty-eight thousand, four hundred twelve".