404300243 has 8 divisors (see below), whose sum is σ = 407084496. Its totient is φ = 401522400.

The previous prime is 404300219. The next prime is 404300257. The reversal of 404300243 is 342003404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404300243 - 2¹² = 404296147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404300203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231353 + ... + 233093.

It is an arithmetic number, because the mean of its divisors is an integer number (50885562).

Almost surely, 2^404300243 is an apocalyptic number.

404300243 is a deficient number, since it is larger than the sum of its proper divisors (2784253).

404300243 is a wasteful number, since it uses less digits than its factorization.

404300243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 404300243 is about 20107.2186788725. The cubic root of 404300243 is about 739.4372657482.

Adding to 404300243 its reverse (342003404), we get a palindrome (746303647).

The spelling of 404300243 in words is "four hundred four million, three hundred thousand, two hundred forty-three".