520433984 has 28 divisors (see below), whose sum is σ = 1180270944. Its totient is φ = 223042944.

The previous prime is 520433981. The next prime is 520434007. The reversal of 520433984 is 489334025.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×520433984² = 541703063404224512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520433981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580394 + ... + 581289.

Almost surely, 2^520433984 is an apocalyptic number.

It is an amenable number.

520433984 is an abundant number, since it is smaller than the sum of its proper divisors (659836960).

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

520433984 is a wasteful number, since it uses less digits than its factorization.

520433984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161702 (or 1161692 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 520433984 is about 22813.0222460769. The cubic root of 520433984 is about 804.3687985693.

The spelling of 520433984 in words is "five hundred twenty million, four hundred thirty-three thousand, nine hundred eighty-four".