404101243 has 8 divisors (see below), whose sum is σ = 497355488. Its totient is φ = 319728384.

The previous prime is 404101241. The next prime is 404101249. The reversal of 404101243 is 342101404.

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 404101243 - 2¹ = 404101241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404101243.

It is not an unprimeable number, because it can be changed into a prime (404101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220246 + ... + 2220427.

It is an arithmetic number, because the mean of its divisors is an integer number (62169436).

Almost surely, 2^404101243 is an apocalyptic number.

404101243 is a deficient number, since it is larger than the sum of its proper divisors (93254245).

404101243 is a wasteful number, since it uses less digits than its factorization.

404101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440693.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 404101243 is about 20102.2695982319. The cubic root of 404101243 is about 739.3159267454.

Adding to 404101243 its reverse (342101404), we get a palindrome (746202647).

The spelling of 404101243 in words is "four hundred four million, one hundred one thousand, two hundred forty-three".