602820 has 72 divisors (see below), whose sum is σ = 1945944. Its totient is φ = 150528.

The previous prime is 602801. The next prime is 602821. The reversal of 602820 is 28206.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 298116 = 552^2 + 546^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 602793 and 602802.

It is not an unprimeable number, because it can be changed into a prime (602821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2962 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (27027).

2⁶⁰²⁸²⁰ is an apocalyptic number.

602820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 602820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972972).

602820 is an abundant number, since it is smaller than the sum of its proper divisors (1343124).

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

602820 is a wasteful number, since it uses less digits than its factorization.

602820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 602820 is about 776.4148375707. The cubic root of 602820 is about 84.4751978374.

The spelling of 602820 in words is "six hundred two thousand, eight hundred twenty".