528729340 has 24 divisors (see below), whose sum is σ = 1168770960. Its totient is φ = 200360448.

The previous prime is 528729337. The next prime is 528729343. The reversal of 528729340 is 43927825.

It is an interprime number because it is at equal distance from previous prime (528729337) and next prime (528729343).

It is a junction number, because it is equal to n+sod(n) for n = 528729293 and 528729302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528729343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695317 + ... + 696076.

It is an arithmetic number, because the mean of its divisors is an integer number (48698790).

Almost surely, 2^528729340 is an apocalyptic number.

It is an amenable number.

528729340 is an abundant number, since it is smaller than the sum of its proper divisors (640041620).

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

528729340 is a wasteful number, since it uses less digits than its factorization.

528729340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391421 (or 1391419 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 528729340 is about 22994.1153341458. The cubic root of 528729340 is about 808.6199841640.

The spelling of 528729340 in words is "five hundred twenty-eight million, seven hundred twenty-nine thousand, three hundred forty".