6609898 has 4 divisors (see below), whose sum is σ = 9914850. Its totient is φ = 3304948.

The previous prime is 6609893. The next prime is 6609971. The reversal of 6609898 is 8989066.

It is a happy number.

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., 6036849 + 573049 = 2457^2 + 757^2 .

It is not an unprimeable number, because it can be changed into a prime (6609893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652473 + ... + 1652476.

Almost surely, 2^6609898 is an apocalyptic number.

6609898 is a deficient number, since it is larger than the sum of its proper divisors (3304952).

6609898 is a wasteful number, since it uses less digits than its factorization.

6609898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304951.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 6609898 is about 2570.9721896590. The cubic root of 6609898 is about 187.6714686257.

The spelling of 6609898 in words is "six million, six hundred nine thousand, eight hundred ninety-eight".