478393246 has 8 divisors (see below), whose sum is σ = 719295624. Its totient is φ = 238628040.

The previous prime is 478393241. The next prime is 478393247. The reversal of 478393246 is 642393874.

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

It is a junction number, because it is equal to n+sod(n) for n = 478393196 and 478393205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478393241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283240 + ... + 284923.

It is an arithmetic number, because the mean of its divisors is an integer number (89911953).

Almost surely, 2^478393246 is an apocalyptic number.

478393246 is a deficient number, since it is larger than the sum of its proper divisors (240902378).

478393246 is a wasteful number, since it uses less digits than its factorization.

478393246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568586.

The product of its digits is 870912, while the sum is 46.

The square root of 478393246 is about 21872.2025868452. The cubic root of 478393246 is about 782.0989086546.

The spelling of 478393246 in words is "four hundred seventy-eight million, three hundred ninety-three thousand, two hundred forty-six".