606786049 has 4 divisors (see below), whose sum is σ = 642479364. Its totient is φ = 571092736.

The previous prime is 606786043. The next prime is 606786067. The reversal of 606786049 is 940687606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 476985600 + 129800449 = 21840^2 + 11393^2 .

It is a cyclic number.

It is not a de Polignac number, because 606786049 - 2³ = 606786041 is a prime.

It is a super-2 number, since 2×606786049² = 736378618522060802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606786041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17846632 + ... + 17846665.

It is an arithmetic number, because the mean of its divisors is an integer number (160619841).

Almost surely, 2^606786049 is an apocalyptic number.

It is an amenable number.

606786049 is a deficient number, since it is larger than the sum of its proper divisors (35693315).

606786049 is a wasteful number, since it uses less digits than its factorization.

606786049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35693314.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 606786049 is about 24633.0276052295. The cubic root of 606786049 is about 846.6005163734.

The spelling of 606786049 in words is "six hundred six million, seven hundred eighty-six thousand, forty-nine".