406712 has 8 divisors (see below), whose sum is σ = 762600. Its totient is φ = 203352.

The previous prime is 406699. The next prime is 406717. The reversal of 406712 is 217604.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25412 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (95325).

2⁴⁰⁶⁷¹² is an apocalyptic number.

It is an amenable number.

406712 is a deficient number, since it is larger than the sum of its proper divisors (355888).

406712 is a wasteful number, since it uses less digits than its factorization.

406712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50845 (or 50841 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 406712 is about 637.7397588358. The cubic root of 406712 is about 74.0904664215.

The spelling of 406712 in words is "four hundred six thousand, seven hundred twelve".