406475992 has 16 divisors (see below), whose sum is σ = 820769040. Its totient is φ = 187604256.

The previous prime is 406475989. The next prime is 406476019. The reversal of 406475992 is 299574604.

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, 1954108 + ... + 1954315.

It is an arithmetic number, because the mean of its divisors is an integer number (51298065).

Almost surely, 2^406475992 is an apocalyptic number.

It is an amenable number.

406475992 is an abundant number, since it is smaller than the sum of its proper divisors (414293048).

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

406475992 is a wasteful number, since it uses less digits than its factorization.

406475992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908442 (or 3908438 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 406475992 is about 20161.2497628495. The cubic root of 406475992 is about 740.7613250618.

The spelling of 406475992 in words is "four hundred six million, four hundred seventy-five thousand, nine hundred ninety-two".