406683 has 12 divisors (see below), whose sum is σ = 596440. Its totient is φ = 266976.

The previous prime is 406673. The next prime is 406697. The reversal of 406683 is 386604.

It is not a de Polignac number, because 406683 - 2⁹ = 406171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348 + ... + 966.

2⁴⁰⁶⁶⁸³ is an apocalyptic number.

406683 is a deficient number, since it is larger than the sum of its proper divisors (189757).

406683 is a wasteful number, since it uses less digits than its factorization.

406683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 406683 is about 637.7170218835. The cubic root of 406683 is about 74.0887054092.

It can be divided in two parts, 406 and 683, that added together give a square (1089 = 33²).

The spelling of 406683 in words is "four hundred six thousand, six hundred eighty-three".