404359947 has 6 divisors (see below), whose sum is σ = 584075492. Its totient is φ = 269573292.

The previous prime is 404359883. The next prime is 404359951. The reversal of 404359947 is 749953404.

It is a happy number.

It is not a de Polignac number, because 404359947 - 2⁶ = 404359883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404359247) 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 5 ways as a sum of consecutive naturals, for example, 22464433 + ... + 22464450.

Almost surely, 2^404359947 is an apocalyptic number.

404359947 is a deficient number, since it is larger than the sum of its proper divisors (179715545).

404359947 is a wasteful number, since it uses less digits than its factorization.

404359947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44928889 (or 44928886 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 404359947 is about 20108.7032650044. The cubic root of 404359947 is about 739.4736621231.

The spelling of 404359947 in words is "four hundred four million, three hundred fifty-nine thousand, nine hundred forty-seven".