404343243 has 12 divisors (see below), whose sum is σ = 609445200. Its totient is φ = 257841936.

The previous prime is 404343217. The next prime is 404343257. The reversal of 404343243 is 342343404.

It is not a de Polignac number, because 404343243 - 2⁸ = 404342987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404323243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976468 + ... + 976881.

It is an arithmetic number, because the mean of its divisors is an integer number (50787100).

Almost surely, 2^404343243 is an apocalyptic number.

404343243 is a deficient number, since it is larger than the sum of its proper divisors (205101957).

404343243 is a wasteful number, since it uses less digits than its factorization.

404343243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953378 (or 1953375 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 404343243 is about 20108.2879181695. The cubic root of 404343243 is about 739.4634794972.

Adding to 404343243 its reverse (342343404), we get a palindrome (746686647).

The spelling of 404343243 in words is "four hundred four million, three hundred forty-three thousand, two hundred forty-three".