520949948 has 12 divisors (see below), whose sum is σ = 911858640. Its totient is φ = 260418912.

The previous prime is 520949929. The next prime is 520949959. The reversal of 520949948 is 849949025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 520949896 and 520949905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12440 + ... + 34592.

It is an arithmetic number, because the mean of its divisors is an integer number (75988220).

Almost surely, 2^520949948 is an apocalyptic number.

It is an amenable number.

520949948 is a deficient number, since it is larger than the sum of its proper divisors (390908692).

520949948 is a wasteful number, since it uses less digits than its factorization.

520949948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28036 (or 28034 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 520949948 is about 22824.3279857261. The cubic root of 520949948 is about 804.6345308091.

The spelling of 520949948 in words is "five hundred twenty million, nine hundred forty-nine thousand, nine hundred forty-eight".