526380 has 48 divisors (see below), whose sum is σ = 1526784. Its totient is φ = 135360.

The previous prime is 526373. The next prime is 526381. The reversal of 526380 is 83625.

526380 = 115² + 116² + ... + 145².

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 526380.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 526380.

It is not an unprimeable number, because it can be changed into a prime (526381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (31808).

2⁵²⁶³⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763392).

526380 is an abundant number, since it is smaller than the sum of its proper divisors (1000404).

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

526380 is a wasteful number, since it uses less digits than its factorization.

526380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 526380 is about 725.5205028116. The cubic root of 526380 is about 80.7420539999.

The spelling of 526380 in words is "five hundred twenty-six thousand, three hundred eighty".