518894946 has 48 divisors (see below), whose sum is σ = 1151265024. Its totient is φ = 168832512.

The previous prime is 518894939. The next prime is 518894947. The reversal of 518894946 is 649498815.

518894946 is a `hidden beast` number, since 518 + 89 + 4 + 9 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 518894892 and 518894901.

It is not an unprimeable number, because it can be changed into a prime (518894947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487611 + ... + 488673.

It is an arithmetic number, because the mean of its divisors is an integer number (23984688).

Almost surely, 2^518894946 is an apocalyptic number.

518894946 is an abundant number, since it is smaller than the sum of its proper divisors (632370078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518894946 is a wasteful number, since it uses less digits than its factorization.

518894946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1692 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 518894946 is about 22779.2657037052. The cubic root of 518894946 is about 803.5751170811.

The spelling of 518894946 in words is "five hundred eighteen million, eight hundred ninety-four thousand, nine hundred forty-six".