606489129 has 9 divisors (see below), whose sum is σ = 876146583. Its totient is φ = 404276832.

The previous prime is 606489073. The next prime is 606489137. The reversal of 606489129 is 921984606.

It is a happy number.

The square root of 606489129 is 24627.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41951529 + 564537600 = 6477^2 + 23760^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 606489129 - 2¹³ = 606480937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (606489199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69777 + ... + 77985.

Almost surely, 2^606489129 is an apocalyptic number.

606489129 is the 24627-th square number.

606489129 is the 12314-th centered octagonal number.

It is an amenable number.

606489129 is a deficient number, since it is larger than the sum of its proper divisors (269657454).

606489129 is an frugal number, since it uses more digits than its factorization.

606489129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The cubic root of 606489129 is about 846.4624041901.

Multiplying 606489129 by its product of nonzero digits (186624), we get a square (113185427210496 = 10638864²).

The spelling of 606489129 in words is "six hundred six million, four hundred eighty-nine thousand, one hundred twenty-nine".