405827395 has 4 divisors (see below), whose sum is σ = 486992880. Its totient is φ = 324661912.

The previous prime is 405827329. The next prime is 405827419. The reversal of 405827395 is 593728504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 405827395 - 2¹³ = 405819203 is a prime.

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, 40582735 + ... + 40582744.

It is an arithmetic number, because the mean of its divisors is an integer number (121748220).

Almost surely, 2^405827395 is an apocalyptic number.

405827395 is a deficient number, since it is larger than the sum of its proper divisors (81165485).

405827395 is an equidigital number, since it uses as much as digits as its factorization.

405827395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81165484.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 405827395 is about 20145.1581031274. The cubic root of 405827395 is about 740.3671145327.

The spelling of 405827395 in words is "four hundred five million, eight hundred twenty-seven thousand, three hundred ninety-five".