404967 has 4 divisors (see below), whose sum is σ = 539960. Its totient is φ = 269976.

The previous prime is 404959. The next prime is 404969. The reversal of 404967 is 769404.

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

It is not a de Polignac number, because 404967 - 2³ = 404959 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404969) 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, 67492 + ... + 67497.

It is an arithmetic number, because the mean of its divisors is an integer number (134990).

2⁴⁰⁴⁹⁶⁷ is an apocalyptic number.

404967 is a deficient number, since it is larger than the sum of its proper divisors (134993).

404967 is a wasteful number, since it uses less digits than its factorization.

404967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134992.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 404967 is about 636.3701752911. The cubic root of 404967 is about 73.9843526692.

The spelling of 404967 in words is "four hundred four thousand, nine hundred sixty-seven".