528774628 has 12 divisors (see below), whose sum is σ = 945044352. Its totient is φ = 258761960.

The previous prime is 528774619. The next prime is 528774629. The reversal of 528774628 is 826477825.

It is not an unprimeable number, because it can be changed into a prime (528774629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406128 + ... + 1406503.

It is an arithmetic number, because the mean of its divisors is an integer number (78753696).

Almost surely, 2^528774628 is an apocalyptic number.

It is an amenable number.

528774628 is a deficient number, since it is larger than the sum of its proper divisors (416269724).

528774628 is a wasteful number, since it uses less digits than its factorization.

528774628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812682 (or 2812680 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 528774628 is about 22995.1000867576. The cubic root of 528774628 is about 808.6430707942.

The spelling of 528774628 in words is "five hundred twenty-eight million, seven hundred seventy-four thousand, six hundred twenty-eight".