408995 has 4 divisors (see below), whose sum is σ = 490800. Its totient is φ = 327192.

The previous prime is 408979. The next prime is 408997. The reversal of 408995 is 599804.

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 408995 - 2⁴ = 408979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408997) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40895 + ... + 40904.

It is an arithmetic number, because the mean of its divisors is an integer number (122700).

2⁴⁰⁸⁹⁹⁵ is an apocalyptic number.

408995 is a deficient number, since it is larger than the sum of its proper divisors (81805).

408995 is an equidigital number, since it uses as much as digits as its factorization.

408995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81804.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 408995 is about 639.5271690867. The cubic root of 408995 is about 74.2288387209.

It can be divided in two parts, 40899 and 5, that added together give a palindrome (40904).

The spelling of 408995 in words is "four hundred eight thousand, nine hundred ninety-five".