520857348 has 48 divisors (see below), whose sum is σ = 1327319616. Its totient is φ = 157656960.

The previous prime is 520857347. The next prime is 520857361. The reversal of 520857348 is 843758025.

It is not an unprimeable number, because it can be changed into a prime (520857343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158490 + ... + 161742.

It is an arithmetic number, because the mean of its divisors is an integer number (27652492).

Almost surely, 2^520857348 is an apocalyptic number.

It is an amenable number.

520857348 is an abundant number, since it is smaller than the sum of its proper divisors (806462268).

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

520857348 is a wasteful number, since it uses less digits than its factorization.

520857348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 520857348 is about 22822.2993583031. The cubic root of 520857348 is about 804.5868527977.

The spelling of 520857348 in words is "five hundred twenty million, eight hundred fifty-seven thousand, three hundred forty-eight".