528869970 has 48 divisors (see below), whose sum is σ = 1387938240. Its totient is φ = 139711392.

The previous prime is 528869969. The next prime is 528870011. The reversal of 528869970 is 79968825.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17830 + ... + 37089.

It is an arithmetic number, because the mean of its divisors is an integer number (28915380).

Almost surely, 2^528869970 is an apocalyptic number.

528869970 is an abundant number, since it is smaller than the sum of its proper divisors (859068270).

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

528869970 is a wasteful number, since it uses less digits than its factorization.

528869970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55039 (or 55036 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 528869970 is about 22997.1730871427. The cubic root of 528869970 is about 808.6916693277.

The spelling of 528869970 in words is "five hundred twenty-eight million, eight hundred sixty-nine thousand, nine hundred seventy".