606404736 has 192 divisors, whose sum is σ = 2012337600. Its totient is φ = 171694080.

The previous prime is 606404677. The next prime is 606404737. The reversal of 606404736 is 637404606.

606404736 is a `hidden beast` number, since 6 + 0 + 640 + 4 + 7 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 606404736.

It is not an unprimeable number, because it can be changed into a prime (606404737) 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, 1120626 + ... + 1121166.

It is an arithmetic number, because the mean of its divisors is an integer number (10480925).

Almost surely, 2^606404736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606404736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006168800).

606404736 is an abundant number, since it is smaller than the sum of its proper divisors (1405932864).

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

606404736 is a wasteful number, since it uses less digits than its factorization.

606404736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 606404736 is about 24625.2865160997. The cubic root of 606404736 is about 846.4231406035.

The spelling of 606404736 in words is "six hundred six million, four hundred four thousand, seven hundred thirty-six".