528073400 has 24 divisors (see below), whose sum is σ = 1227771120. Its totient is φ = 211229280.

The previous prime is 528073393. The next prime is 528073417. The reversal of 528073400 is 4370825.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1319984 + ... + 1320383.

It is an arithmetic number, because the mean of its divisors is an integer number (51157130).

Almost surely, 2^528073400 is an apocalyptic number.

528073400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

528073400 is an abundant number, since it is smaller than the sum of its proper divisors (699697720).

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

528073400 is a wasteful number, since it uses less digits than its factorization.

528073400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640383 (or 2640374 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 528073400 is about 22979.8476931419. The cubic root of 528073400 is about 808.2854552953.

The spelling of 528073400 in words is "five hundred twenty-eight million, seventy-three thousand, four hundred".