405395 has 8 divisors (see below), whose sum is σ = 492480. Its totient is φ = 320320.

The previous prime is 405373. The next prime is 405401. The reversal of 405395 is 593504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-405395 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 405395.

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 7 ways as a sum of consecutive naturals, for example, 11 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁴⁰⁵³⁹⁵ is an apocalyptic number.

405395 is a deficient number, since it is larger than the sum of its proper divisors (87085).

405395 is an equidigital number, since it uses as much as digits as its factorization.

405395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 405395 is about 636.7063687447. The cubic root of 405395 is about 74.0104075939.

Adding to 405395 its reverse (593504), we get a palindrome (998899).

The spelling of 405395 in words is "four hundred five thousand, three hundred ninety-five".