406443036 has 12 divisors (see below), whose sum is σ = 948367112. Its totient is φ = 135481008.

The previous prime is 406443029. The next prime is 406443067. The reversal of 406443036 is 630344604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 406442994 and 406443012.

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 3 ways as a sum of consecutive naturals, for example, 16935115 + ... + 16935138.

Almost surely, 2^406443036 is an apocalyptic number.

It is an amenable number.

406443036 is an abundant number, since it is smaller than the sum of its proper divisors (541924076).

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

406443036 is a wasteful number, since it uses less digits than its factorization.

406443036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33870260 (or 33870258 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 406443036 is about 20160.4324358383. The cubic root of 406443036 is about 740.7413048634.

The spelling of 406443036 in words is "four hundred six million, four hundred forty-three thousand, thirty-six".