606540 has 48 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 146880.

The previous prime is 606539. The next prime is 606559. The reversal of 606540 is 45606.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (38640).

2⁶⁰⁶⁵⁴⁰ is an apocalyptic number.

606540 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 606540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927360).

606540 is an abundant number, since it is smaller than the sum of its proper divisors (1248180).

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

606540 is a wasteful number, since it uses less digits than its factorization.

606540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 606540 is about 778.8067796315. The cubic root of 606540 is about 84.6486070009.

It can be divided in two parts, 6065 and 40, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 606540 in words is "six hundred six thousand, five hundred forty".