602406 has 36 divisors (see below), whose sum is σ = 1520532. Its totient is φ = 171864.

The previous prime is 602401. The next prime is 602411. The reversal of 602406 is 604206.

It is an interprime number because it is at equal distance from previous prime (602401) and next prime (602411).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602401) by changing a digit.

602406 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 17 ways as a sum of consecutive naturals, for example, 541 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (42237).

2⁶⁰²⁴⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 602406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760266).

602406 is an abundant number, since it is smaller than the sum of its proper divisors (918126).

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

602406 is a wasteful number, since it uses less digits than its factorization.

602406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 695 counting only the distinct ones).

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

The square root of 602406 is about 776.1481817282. The cubic root of 602406 is about 84.4558550037.

The spelling of 602406 in words is "six hundred two thousand, four hundred six".