405695 has 8 divisors (see below), whose sum is σ = 498960. Its totient is φ = 316480.

The previous prime is 405689. The next prime is 405701. The reversal of 405695 is 596504.

It is an interprime number because it is at equal distance from previous prime (405689) and next prime (405701).

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

It is not a de Polignac number, because 405695 - 2⁴ = 405679 is a prime.

It is a congruent number.

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, 785 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁴⁰⁵⁶⁹⁵ is an apocalyptic number.

405695 is a deficient number, since it is larger than the sum of its proper divisors (93265).

405695 is a wasteful number, since it uses less digits than its factorization.

405695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 405695 is about 636.9419125792. The cubic root of 405695 is about 74.0286594615.

The spelling of 405695 in words is "four hundred five thousand, six hundred ninety-five".