621160 has 32 divisors (see below), whose sum is σ = 1428840. Its totient is φ = 242944.

The previous prime is 621143. The next prime is 621217. The reversal of 621160 is 61126.

621160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 617796 + 3364 = 786^2 + 58^2 .

It is a congruent number.

It is an unprimeable number.

621160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 2266.

2⁶²¹¹⁶⁰ 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 621160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714420).

621160 is an abundant number, since it is smaller than the sum of its proper divisors (807680).

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

621160 is a wasteful number, since it uses less digits than its factorization.

621160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 621160 is about 788.1370439207. The cubic root of 621160 is about 85.3233359599.

Adding to 621160 its reverse (61126), we get a palindrome (682286).

The spelling of 621160 in words is "six hundred twenty-one thousand, one hundred sixty".