406262432 has 48 divisors (see below), whose sum is σ = 836946432. Its totient is φ = 193754880.

The previous prime is 406262431. The next prime is 406262443. The reversal of 406262432 is 234262604.

It is a junction number, because it is equal to n+sod(n) for n = 406262395 and 406262404.

It is not an unprimeable number, because it can be changed into a prime (406262431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409457 + ... + 410447.

It is an arithmetic number, because the mean of its divisors is an integer number (17436384).

Almost surely, 2^406262432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406262432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418473216).

406262432 is an abundant number, since it is smaller than the sum of its proper divisors (430684000).

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

406262432 is a wasteful number, since it uses less digits than its factorization.

406262432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 406262432 is about 20155.9527683511. The cubic root of 406262432 is about 740.6315718455.

The spelling of 406262432 in words is "four hundred six million, two hundred sixty-two thousand, four hundred thirty-two".