528668414 has 16 divisors (see below), whose sum is σ = 851479776. Its totient is φ = 245280000.

The previous prime is 528668411. The next prime is 528668419. The reversal of 528668414 is 414866825.

It is a happy number.

It is a super-2 number, since 2×528668414² = 558980583922550792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528668411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107087 + ... + 111914.

It is an arithmetic number, because the mean of its divisors is an integer number (53217486).

Almost surely, 2^528668414 is an apocalyptic number.

528668414 is a deficient number, since it is larger than the sum of its proper divisors (322811362).

528668414 is a wasteful number, since it uses less digits than its factorization.

528668414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219091.

The product of its digits is 368640, while the sum is 44.

The square root of 528668414 is about 22992.7904787566. The cubic root of 528668414 is about 808.5889236132.

The spelling of 528668414 in words is "five hundred twenty-eight million, six hundred sixty-eight thousand, four hundred fourteen".