405328895 has 32 divisors (see below), whose sum is σ = 517399488. Its totient is φ = 304432128.

The previous prime is 405328883. The next prime is 405328921. The reversal of 405328895 is 598823504.

It is a cyclic number.

It is not a de Polignac number, because 405328895 - 2⁶ = 405328831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656627 + ... + 657243.

It is an arithmetic number, because the mean of its divisors is an integer number (16168734).

Almost surely, 2^405328895 is an apocalyptic number.

405328895 is a deficient number, since it is larger than the sum of its proper divisors (112070593).

405328895 is a wasteful number, since it uses less digits than its factorization.

405328895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 405328895 is about 20132.7816011598. The cubic root of 405328895 is about 740.0638458427.

The spelling of 405328895 in words is "four hundred five million, three hundred twenty-eight thousand, eight hundred ninety-five".