406466406 has 24 divisors (see below), whose sum is σ = 886292784. Its totient is φ = 134624880.

The previous prime is 406466383. The next prime is 406466429. The reversal of 406466406 is 604664604.

It is a happy number.

406466406 is a `hidden beast` number, since 4 + 0 + 6 + 4 + 6 + 640 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (406466383) and next prime (406466429).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69090 + ... + 74741.

It is an arithmetic number, because the mean of its divisors is an integer number (36928866).

Almost surely, 2^406466406 is an apocalyptic number.

406466406 is an abundant number, since it is smaller than the sum of its proper divisors (479826378).

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

406466406 is a wasteful number, since it uses less digits than its factorization.

406466406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143996 (or 143993 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 406466406 is about 20161.0120281696. The cubic root of 406466406 is about 740.7555018447.

The spelling of 406466406 in words is "four hundred six million, four hundred sixty-six thousand, four hundred six".