602640 has 120 divisors (see below), whose sum is σ = 2166528. Its totient is φ = 155520.

The previous prime is 602639. The next prime is 602647. The reversal of 602640 is 46206.

602640 is a `hidden beast` number, since 602 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602647) 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, 19425 + ... + 19455.

2⁶⁰²⁶⁴⁰ is an apocalyptic number.

602640 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 602640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083264).

602640 is an abundant number, since it is smaller than the sum of its proper divisors (1563888).

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

602640 is a wasteful number, since it uses less digits than its factorization.

602640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 602640 is about 776.2989115025. The cubic root of 602640 is about 84.4667889982.

Adding to 602640 its reverse (46206), we get a palindrome (648846).

The spelling of 602640 in words is "six hundred two thousand, six hundred forty".