606994 has 4 divisors (see below), whose sum is σ = 910494. Its totient is φ = 303496.

The previous prime is 606971. The next prime is 606997. The reversal of 606994 is 499606.

606994 is nontrivially palindromic in base 8.

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

It can be written as a sum of positive squares in only one way, i.e., 416025 + 190969 = 645^2 + 437^2 .

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (606997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151747 + ... + 151750.

2⁶⁰⁶⁹⁹⁴ is an apocalyptic number.

606994 is a deficient number, since it is larger than the sum of its proper divisors (303500).

606994 is a wasteful number, since it uses less digits than its factorization.

606994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303499.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 606994 is about 779.0981966351. The cubic root of 606994 is about 84.6697217848.

It can be divided in two parts, 606 and 994, that added together give a square (1600 = 40²).

The spelling of 606994 in words is "six hundred six thousand, nine hundred ninety-four".