404050047 has 4 divisors (see below), whose sum is σ = 538733400. Its totient is φ = 269366696.

The previous prime is 404050013. The next prime is 404050051. The reversal of 404050047 is 740050404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404050047 - 2¹⁵ = 404017279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404049999 and 404050026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404050147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67341672 + ... + 67341677.

It is an arithmetic number, because the mean of its divisors is an integer number (134683350).

Almost surely, 2^404050047 is an apocalyptic number.

404050047 is a deficient number, since it is larger than the sum of its proper divisors (134683353).

404050047 is a wasteful number, since it uses less digits than its factorization.

404050047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134683352.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 404050047 is about 20100.9961693444. The cubic root of 404050047 is about 739.2847038630.

The spelling of 404050047 in words is "four hundred four million, fifty thousand, forty-seven".