648467 has 4 divisors (see below), whose sum is σ = 650136. Its totient is φ = 646800.

The previous prime is 648449. The next prime is 648481. The reversal of 648467 is 764846.

648467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648467 - 2⁸ = 648211 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648467.

It is not an unprimeable number, because it can be changed into a prime (648437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (162534).

2⁶⁴⁸⁴⁶⁷ is an apocalyptic number.

648467 is a deficient number, since it is larger than the sum of its proper divisors (1669).

648467 is a wasteful number, since it uses less digits than its factorization.

648467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 32256, while the sum is 35.

The square root of 648467 is about 805.2744873644. The cubic root of 648467 is about 86.5557572065. Note that the first 3 decimals are identical.

The spelling of 648467 in words is "six hundred forty-eight thousand, four hundred sixty-seven".