406488 has 16 divisors (see below), whose sum is σ = 1016280. Its totient is φ = 135488.

The previous prime is 406481. The next prime is 406499. The reversal of 406488 is 884604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406481) 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, 8445 + ... + 8492.

2⁴⁰⁶⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

406488 is an abundant number, since it is smaller than the sum of its proper divisors (609792).

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

406488 is a wasteful number, since it uses less digits than its factorization.

406488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946 (or 16942 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 406488 is about 637.5641144230. The cubic root of 406488 is about 74.0768619445.

The spelling of 406488 in words is "four hundred six thousand, four hundred eighty-eight".