606406620 has 48 divisors (see below), whose sum is σ = 1721210400. Its totient is φ = 159492096.

The previous prime is 606406561. The next prime is 606406621. The reversal of 606406620 is 26604606.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606406621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64845 + ... + 73604.

It is an arithmetic number, because the mean of its divisors is an integer number (35858550).

Almost surely, 2^606406620 is an apocalyptic number.

606406620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

606406620 is an abundant number, since it is smaller than the sum of its proper divisors (1114803780).

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

606406620 is a wasteful number, since it uses less digits than its factorization.

606406620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138534 (or 138532 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 606406620 is about 24625.3247694320. The cubic root of 606406620 is about 846.4240171685.

The spelling of 606406620 in words is "six hundred six million, four hundred six thousand, six hundred twenty".