6610989 has 16 divisors (see below), whose sum is σ = 10990080. Its totient is φ = 3434160.

The previous prime is 6610951. The next prime is 6610991. The reversal of 6610989 is 9890166.

It is not a de Polignac number, because 6610989 - 2⁷ = 6610861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14079 + ... + 14540.

It is an arithmetic number, because the mean of its divisors is an integer number (686880).

Almost surely, 2^6610989 is an apocalyptic number.

It is an amenable number.

6610989 is a deficient number, since it is larger than the sum of its proper divisors (4379091).

6610989 is a wasteful number, since it uses less digits than its factorization.

6610989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28640.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 6610989 is about 2571.1843574509. The cubic root of 6610989 is about 187.6817934602.

The spelling of 6610989 in words is "six million, six hundred ten thousand, nine hundred eighty-nine".