606390 has 64 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 143360.

The previous prime is 606383. The next prime is 606413. The reversal of 606390 is 93606.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 606390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14770 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (25515).

2⁶⁰⁶³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816480).

606390 is an abundant number, since it is smaller than the sum of its proper divisors (1026570).

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

606390 is a wasteful number, since it uses less digits than its factorization.

606390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 606390 is about 778.7104725121. The cubic root of 606390 is about 84.6416284351.

Adding to 606390 its reverse (93606), we get a palindrome (699996).

The spelling of 606390 in words is "six hundred six thousand, three hundred ninety".