406424046 has 64 divisors (see below), whose sum is σ = 958003200. Its totient is φ = 112535136.

The previous prime is 406424033. The next prime is 406424071. The reversal of 406424046 is 640424604.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250225 + ... + 251843.

It is an arithmetic number, because the mean of its divisors is an integer number (14968800).

Almost surely, 2^406424046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406424046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479001600).

406424046 is an abundant number, since it is smaller than the sum of its proper divisors (551579154).

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

406424046 is a wasteful number, since it uses less digits than its factorization.

406424046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 406424046 is about 20159.9614582965. The cubic root of 406424046 is about 740.7297682763.

The spelling of 406424046 in words is "four hundred six million, four hundred twenty-four thousand, forty-six".