406496 has 12 divisors (see below), whose sum is σ = 800352. Its totient is φ = 203232.

The previous prime is 406481. The next prime is 406499. The reversal of 406496 is 694604.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (66696).

2⁴⁰⁶⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

406496 is a deficient number, since it is larger than the sum of its proper divisors (393856).

406496 is a wasteful number, since it uses less digits than its factorization.

406496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713 (or 12705 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 406496 is about 637.5703882710. The cubic root of 406496 is about 74.0773479047.

The spelling of 406496 in words is "four hundred six thousand, four hundred ninety-six".