404052231 has 16 divisors (see below), whose sum is σ = 598803840. Its totient is φ = 240258720.

The previous prime is 404052221. The next prime is 404052241. The reversal of 404052231 is 132250404.

It is an interprime number because it is at equal distance from previous prime (404052221) and next prime (404052241).

It is not a de Polignac number, because 404052231 - 2⁵ = 404052199 is a prime.

It is a super-3 number, since 3×404052231³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 404052198 and 404052207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404052221) 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, 113761 + ... + 117258.

It is an arithmetic number, because the mean of its divisors is an integer number (37425240).

Almost surely, 2^404052231 is an apocalyptic number.

404052231 is a deficient number, since it is larger than the sum of its proper divisors (194751609).

404052231 is a wasteful number, since it uses less digits than its factorization.

404052231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231086.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404052231 is about 20101.0504949368. The cubic root of 404052231 is about 739.2860358720.

The spelling of 404052231 in words is "four hundred four million, fifty-two thousand, two hundred thirty-one".