403168864 has 36 divisors (see below), whose sum is σ = 923332284. Its totient is φ = 172785984.

The previous prime is 403168841. The next prime is 403168891. The reversal of 403168864 is 468861304.

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 5 ways as a sum of consecutive naturals, for example, 126994 + ... + 130129.

It is an arithmetic number, because the mean of its divisors is an integer number (25648119).

Almost surely, 2^403168864 is an apocalyptic number.

It is an amenable number.

403168864 is an abundant number, since it is smaller than the sum of its proper divisors (520163420).

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

403168864 is a wasteful number, since it uses less digits than its factorization.

403168864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257147 (or 257132 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 403168864 is about 20079.0653168916. The cubic root of 403168864 is about 738.7468833081.

The spelling of 403168864 in words is "four hundred three million, one hundred sixty-eight thousand, eight hundred sixty-four".