606686274 has 60 divisors (see below), whose sum is σ = 1376641926. Its totient is φ = 199698048.

The previous prime is 606686257. The next prime is 606686281. The reversal of 606686274 is 472686606.

It can be written as a sum of positive squares in only one way, i.e., 537080625 + 69605649 = 23175^2 + 8343^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1718482 + ... + 1718834.

Almost surely, 2^606686274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606686274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688320963).

606686274 is an abundant number, since it is smaller than the sum of its proper divisors (769955652).

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

606686274 is a wasteful number, since it uses less digits than its factorization.

606686274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 606686274 is about 24631.0022938572. The cubic root of 606686274 is about 846.5541111114.

The spelling of 606686274 in words is "six hundred six million, six hundred eighty-six thousand, two hundred seventy-four".