478692417 has 12 divisors (see below), whose sum is σ = 742461936. Its totient is φ = 273538440.

The previous prime is 478692377. The next prime is 478692433. The reversal of 478692417 is 714296874.

It is not a de Polignac number, because 478692417 - 2¹⁰ = 478691393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478692017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1628059 + ... + 1628352.

It is an arithmetic number, because the mean of its divisors is an integer number (61871828).

Almost surely, 2^478692417 is an apocalyptic number.

It is an amenable number.

478692417 is a deficient number, since it is larger than the sum of its proper divisors (263769519).

478692417 is a wasteful number, since it uses less digits than its factorization.

478692417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256428 (or 3256421 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 478692417 is about 21879.0405868265. The cubic root of 478692417 is about 782.2619074405.

The spelling of 478692417 in words is "four hundred seventy-eight million, six hundred ninety-two thousand, four hundred seventeen".