404230811 has 4 divisors (see below), whose sum is σ = 428009112. Its totient is φ = 380452512.

The previous prime is 404230789. The next prime is 404230823. The reversal of 404230811 is 118032404.

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 404230811 - 2⁶ = 404230747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404232811) 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, 11889125 + ... + 11889158.

It is an arithmetic number, because the mean of its divisors is an integer number (107002278).

Almost surely, 2^404230811 is an apocalyptic number.

404230811 is a deficient number, since it is larger than the sum of its proper divisors (23778301).

404230811 is a wasteful number, since it uses less digits than its factorization.

404230811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23778300.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 404230811 is about 20105.4920606286. The cubic root of 404230811 is about 739.3949345448.

The spelling of 404230811 in words is "four hundred four million, two hundred thirty thousand, eight hundred eleven".