406612 has 6 divisors (see below), whose sum is σ = 711578. Its totient is φ = 203304.

The previous prime is 406591. The next prime is 406631. The reversal of 406612 is 216604.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 2116 = 636^2 + 46^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 406612.

It is a congruent number.

It is an unprimeable number.

406612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50823 + ... + 50830.

2⁴⁰⁶⁶¹² is an apocalyptic number.

It is an amenable number.

406612 is a deficient number, since it is larger than the sum of its proper divisors (304966).

406612 is a wasteful number, since it uses less digits than its factorization.

406612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101657 (or 101655 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 406612 is about 637.6613521298. The cubic root of 406612 is about 74.0843936117.

The spelling of 406612 in words is "four hundred six thousand, six hundred twelve".