404000577 has 12 divisors (see below), whose sum is σ = 584828244. Its totient is φ = 268746720.

The previous prime is 404000561. The next prime is 404000627. The reversal of 404000577 is 775000404.

It can be written as a sum of positive squares in 2 ways, for example, as 62157456 + 341843121 = 7884^2 + 18489^2 .

It is not a de Polignac number, because 404000577 - 2⁴ = 404000561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404000577.

It is not an unprimeable number, because it can be changed into a prime (404000557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44538 + ... + 52835.

It is an arithmetic number, because the mean of its divisors is an integer number (48735687).

Almost surely, 2^404000577 is an apocalyptic number.

It is an amenable number.

404000577 is a deficient number, since it is larger than the sum of its proper divisors (180827667).

404000577 is a wasteful number, since it uses less digits than its factorization.

404000577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97840 (or 97837 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 404000577 is about 20099.7655956481. The cubic root of 404000577 is about 739.2545311099.

The spelling of 404000577 in words is "four hundred four million, five hundred seventy-seven", and thus it is an aban number.