648092 has 24 divisors (see below), whose sum is σ = 1212960. Its totient is φ = 302400.

The previous prime is 648079. The next prime is 648097. The reversal of 648092 is 290846.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a pancake number, because a pancake can be divided into 648092 parts by 1138 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648097) by changing a digit.

648092 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 7 ways as a sum of consecutive naturals, for example, 4217 + ... + 4367.

It is an arithmetic number, because the mean of its divisors is an integer number (50540).

2⁶⁴⁸⁰⁹² is an apocalyptic number.

It is an amenable number.

648092 is a deficient number, since it is larger than the sum of its proper divisors (564868).

648092 is a wasteful number, since it uses less digits than its factorization.

648092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 648092 is about 805.0416138312. The cubic root of 648092 is about 86.5390693012.

The spelling of 648092 in words is "six hundred forty-eight thousand, ninety-two".