404930071 has 24 divisors (see below), whose sum is σ = 533989680. Its totient is φ = 303512832.

The previous prime is 404930059. The next prime is 404930117. The reversal of 404930071 is 170039404.

It is not a de Polignac number, because 404930071 - 2¹³ = 404921879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404930171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4626 + ... + 28831.

It is an arithmetic number, because the mean of its divisors is an integer number (22249570).

Almost surely, 2^404930071 is an apocalyptic number.

404930071 is a deficient number, since it is larger than the sum of its proper divisors (129059609).

404930071 is a wasteful number, since it uses less digits than its factorization.

404930071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33503 (or 33496 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 404930071 is about 20122.8743225216. The cubic root of 404930071 is about 739.8210371952.

Adding to 404930071 its reverse (170039404), we get a palindrome (574969475).

The spelling of 404930071 in words is "four hundred four million, nine hundred thirty thousand, seventy-one".