404788071 has 16 divisors (see below), whose sum is σ = 579999744. Its totient is φ = 250191744.

The previous prime is 404788067. The next prime is 404788079. The reversal of 404788071 is 170887404.

It is not a de Polignac number, because 404788071 - 2² = 404788067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404788079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55815 + ... + 62648.

It is an arithmetic number, because the mean of its divisors is an integer number (36249984).

Almost surely, 2^404788071 is an apocalyptic number.

404788071 is a deficient number, since it is larger than the sum of its proper divisors (175211673).

404788071 is a wasteful number, since it uses less digits than its factorization.

404788071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118550.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 404788071 is about 20119.3456901560. The cubic root of 404788071 is about 739.7345474716.

The spelling of 404788071 in words is "four hundred four million, seven hundred eighty-eight thousand, seventy-one".