528284990 has 16 divisors (see below), whose sum is σ = 955895040. Its totient is φ = 210206880.

The previous prime is 528284983. The next prime is 528285007. The reversal of 528284990 is 99482825.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136385 + ... + 140204.

It is an arithmetic number, because the mean of its divisors is an integer number (59743440).

Almost surely, 2^528284990 is an apocalyptic number.

528284990 is a deficient number, since it is larger than the sum of its proper divisors (427610050).

528284990 is a wasteful number, since it uses less digits than its factorization.

528284990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276787.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 528284990 is about 22984.4510484806. The cubic root of 528284990 is about 808.3933962762.

The spelling of 528284990 in words is "five hundred twenty-eight million, two hundred eighty-four thousand, nine hundred ninety".