404200231 has 16 divisors (see below), whose sum is σ = 428155200. Its totient is φ = 381024000.

The previous prime is 404200217. The next prime is 404200241. The reversal of 404200231 is 132002404.

It is a 8-Lehmer number, since φ(404200231) divides (404200231-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 404200231 - 2²⁵ = 370645799 is a prime.

It is a super-2 number, since 2×404200231² = 326755653480906722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404200201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223531 + ... + 225331.

It is an arithmetic number, because the mean of its divisors is an integer number (26759700).

Almost surely, 2^404200231 is an apocalyptic number.

404200231 is a deficient number, since it is larger than the sum of its proper divisors (23954969).

404200231 is a wasteful number, since it uses less digits than its factorization.

404200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404200231 is about 20104.7315575215. The cubic root of 404200231 is about 739.3762890361.

Adding to 404200231 its reverse (132002404), we get a palindrome (536202635).

The spelling of 404200231 in words is "four hundred four million, two hundred thousand, two hundred thirty-one".