406604286 has 60 divisors (see below), whose sum is σ = 1001499576. Its totient is φ = 123207480.

The previous prime is 406604279. The next prime is 406604293. The reversal of 406604286 is 682406604.

It is a happy number.

406604286 is a `hidden beast` number, since 40 + 6 + 604 + 2 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (406604279) and next prime (406604293).

It is a self number, because there is not a number n which added to its sum of digits gives 406604286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9231 + ... + 29973.

Almost surely, 2^406604286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406604286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500749788).

406604286 is an abundant number, since it is smaller than the sum of its proper divisors (594895290).

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

406604286 is a wasteful number, since it uses less digits than its factorization.

406604286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779 (or 20759 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 406604286 is about 20164.4312094341. The cubic root of 406604286 is about 740.8392511374.

The spelling of 406604286 in words is "four hundred six million, six hundred four thousand, two hundred eighty-six".