406532436 has 24 divisors (see below), whose sum is σ = 998501280. Its totient is φ = 128378592.

The previous prime is 406532381. The next prime is 406532447. The reversal of 406532436 is 634235604.

It is a junction number, because it is equal to n+sod(n) for n = 406532397 and 406532406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891291 + ... + 891746.

It is an arithmetic number, because the mean of its divisors is an integer number (41604220).

Almost surely, 2^406532436 is an apocalyptic number.

It is an amenable number.

406532436 is an abundant number, since it is smaller than the sum of its proper divisors (591968844).

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

406532436 is a wasteful number, since it uses less digits than its factorization.

406532436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783063 (or 1783061 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 406532436 is about 20162.6495282738. The cubic root of 406532436 is about 740.7956112992.

The spelling of 406532436 in words is "four hundred six million, five hundred thirty-two thousand, four hundred thirty-six".