606998644 has 24 divisors (see below), whose sum is σ = 1214790080. Its totient is φ = 259972416.

The previous prime is 606998629. The next prime is 606998647. The reversal of 606998644 is 446899606.

It is a junction number, because it is equal to n+sod(n) for n = 606998591 and 606998600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606998647) 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 7 ways as a sum of consecutive naturals, for example, 42712 + ... + 55120.

Almost surely, 2^606998644 is an apocalyptic number.

It is an amenable number.

606998644 is an abundant number, since it is smaller than the sum of its proper divisors (607791436).

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

606998644 is a wasteful number, since it uses less digits than its factorization.

606998644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167 (or 14165 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 606998644 is about 24637.3424703234. The cubic root of 606998644 is about 846.6993771505.

The spelling of 606998644 in words is "six hundred six million, nine hundred ninety-eight thousand, six hundred forty-four".