528739428 has 48 divisors (see below), whose sum is σ = 1415235584. Its totient is φ = 150504480.

The previous prime is 528739417. The next prime is 528739439. The reversal of 528739428 is 824937825.

It is an interprime number because it is at equal distance from previous prime (528739417) and next prime (528739439).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11151 + ... + 34377.

Almost surely, 2^528739428 is an apocalyptic number.

It is an amenable number.

528739428 is an abundant number, since it is smaller than the sum of its proper divisors (886496156).

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

528739428 is a wasteful number, since it uses less digits than its factorization.

528739428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23512 (or 23510 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 528739428 is about 22994.3346935718. The cubic root of 528739428 is about 808.6251268749.

The spelling of 528739428 in words is "five hundred twenty-eight million, seven hundred thirty-nine thousand, four hundred twenty-eight".