404611 has 4 divisors (see below), whose sum is σ = 406224. Its totient is φ = 403000.

The previous prime is 404597. The next prime is 404671. The reversal of 404611 is 116404.

It is a happy number.

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 404611 - 2⁷ = 404483 is a prime.

It is a super-2 number, since 2×404611² = 327420122642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404671) 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, 340 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2⁴⁰⁴⁶¹¹ is an apocalyptic number.

404611 is a deficient number, since it is larger than the sum of its proper divisors (1613).

404611 is a wasteful number, since it uses less digits than its factorization.

404611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 404611 is about 636.0904023800. The cubic root of 404611 is about 73.9626668271.

The spelling of 404611 in words is "four hundred four thousand, six hundred eleven".