478849 has 8 divisors (see below), whose sum is σ = 555968. Its totient is φ = 403920.

The previous prime is 478843. The next prime is 478853. The reversal of 478849 is 948874.

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

It is a cyclic number.

It is not a de Polignac number, because 478849 - 2¹⁵ = 446081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478843) 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, 42 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (69496).

2⁴⁷⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

478849 is a deficient number, since it is larger than the sum of its proper divisors (77119).

478849 is a wasteful number, since it uses less digits than its factorization.

478849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 64512, while the sum is 40.

The square root of 478849 is about 691.9891617648. The cubic root of 478849 is about 78.2347192242.

The spelling of 478849 in words is "four hundred seventy-eight thousand, eight hundred forty-nine".