404148847 has 8 divisors (see below), whose sum is σ = 422039520. Its totient is φ = 386284800.

The previous prime is 404148821. The next prime is 404148853. The reversal of 404148847 is 748841404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404148847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404148887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28347 + ... + 40147.

It is an arithmetic number, because the mean of its divisors is an integer number (52754940).

Almost surely, 2^404148847 is an apocalyptic number.

404148847 is a deficient number, since it is larger than the sum of its proper divisors (17890673).

404148847 is a wasteful number, since it uses less digits than its factorization.

404148847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313.

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 404148847 is about 20103.4536087708. The cubic root of 404148847 is about 739.3449566103.

The spelling of 404148847 in words is "four hundred four million, one hundred forty-eight thousand, eight hundred forty-seven".