520842946 has 16 divisors (see below), whose sum is σ = 842413824. Its totient is φ = 240088464.

The previous prime is 520842943. The next prime is 520842977. The reversal of 520842946 is 649248025.

It is a junction number, because it is equal to n+sod(n) for n = 520842899 and 520842908.

It is not an unprimeable number, because it can be changed into a prime (520842943) 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, 9391 + ... + 33613.

It is an arithmetic number, because the mean of its divisors is an integer number (52650864).

Almost surely, 2^520842946 is an apocalyptic number.

520842946 is a deficient number, since it is larger than the sum of its proper divisors (321570878).

520842946 is a wasteful number, since it uses less digits than its factorization.

520842946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25065.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 520842946 is about 22821.9838313850. The cubic root of 520842946 is about 804.5794369690.

The spelling of 520842946 in words is "five hundred twenty million, eight hundred forty-two thousand, nine hundred forty-six".