606387385 has 4 divisors (see below), whose sum is σ = 727664868. Its totient is φ = 485109904.

The previous prime is 606387377. The next prime is 606387391. The reversal of 606387385 is 583783606.

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 112614544 + 493772841 = 10612^2 + 22221^2 .

It is a cyclic number.

It is not a de Polignac number, because 606387385 - 2³ = 606387377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60638734 + ... + 60638743.

It is an arithmetic number, because the mean of its divisors is an integer number (181916217).

Almost surely, 2^606387385 is an apocalyptic number.

It is an amenable number.

606387385 is a deficient number, since it is larger than the sum of its proper divisors (121277483).

606387385 is a wasteful number, since it uses less digits than its factorization.

606387385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121277482.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 606387385 is about 24624.9342131101. The cubic root of 606387385 is about 846.4150676520.

The spelling of 606387385 in words is "six hundred six million, three hundred eighty-seven thousand, three hundred eighty-five".