511860 has 48 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 129024.

The previous prime is 511859. The next prime is 511867. The reversal of 511860 is 68115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2⁵¹¹⁸⁶⁰ 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 511860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756000).

511860 is an abundant number, since it is smaller than the sum of its proper divisors (1000140).

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

511860 is a wasteful number, since it uses less digits than its factorization.

511860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 511860 is about 715.4439181375. The cubic root of 511860 is about 79.9927076686.

Adding to 511860 its reverse (68115), we get a palindrome (579975).

The spelling of 511860 in words is "five hundred eleven thousand, eight hundred sixty".