528948138 has 8 divisors (see below), whose sum is σ = 1057896288. Its totient is φ = 176316044.

The previous prime is 528948137. The next prime is 528948151. The reversal of 528948138 is 831849825.

It is a sphenic number, since it is the product of 3 distinct primes.

528948138 is an admirable number.

It is a super-2 number, since 2×528948138² = 559572265387334088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (528948131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44079006 + ... + 44079017.

It is an arithmetic number, because the mean of its divisors is an integer number (132237036).

Almost surely, 2^528948138 is an apocalyptic number.

528948138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

528948138 is a wasteful number, since it uses less digits than its factorization.

528948138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88158028.

The product of its digits is 552960, while the sum is 48.

The square root of 528948138 is about 22998.8725375832. The cubic root of 528948138 is about 808.7315094269.

The spelling of 528948138 in words is "five hundred twenty-eight million, nine hundred forty-eight thousand, one hundred thirty-eight".