405834472 has 64 divisors (see below), whose sum is σ = 829854720. Its totient is φ = 185330688.

The previous prime is 405834461. The next prime is 405834529. The reversal of 405834472 is 274438504.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1105633 + ... + 1105999.

It is an arithmetic number, because the mean of its divisors is an integer number (12966480).

Almost surely, 2^405834472 is an apocalyptic number.

It is an amenable number.

405834472 is an abundant number, since it is smaller than the sum of its proper divisors (424020248).

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

405834472 is a wasteful number, since it uses less digits than its factorization.

405834472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 405834472 is about 20145.3337525095. Note that the first 3 decimals coincide. The cubic root of 405834472 is about 740.3714181255.

The spelling of 405834472 in words is "four hundred five million, eight hundred thirty-four thousand, four hundred seventy-two".