404086 has 8 divisors (see below), whose sum is σ = 627120. Its totient is φ = 195048.

The previous prime is 404081. The next prime is 404099. The reversal of 404086 is 680404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (78390).

2⁴⁰⁴⁰⁸⁶ is an apocalyptic number.

404086 is a deficient number, since it is larger than the sum of its proper divisors (223034).

404086 is a wasteful number, since it uses less digits than its factorization.

404086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 404086 is about 635.6775912363. The cubic root of 404086 is about 73.9306630779.

The spelling of 404086 in words is "four hundred four thousand, eighty-six".