6614989 has 4 divisors (see below), whose sum is σ = 7004124. Its totient is φ = 6225856.

The previous prime is 6614963. The next prime is 6615013. The reversal of 6614989 is 9894166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9894166 = 2 ⋅4947083.

It can be written as a sum of positive squares in 2 ways, for example, as 3392964 + 3222025 = 1842^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 6614989 - 2⁵ = 6614957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6614939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194542 + ... + 194575.

It is an arithmetic number, because the mean of its divisors is an integer number (1751031).

Almost surely, 2^6614989 is an apocalyptic number.

It is an amenable number.

6614989 is a deficient number, since it is larger than the sum of its proper divisors (389135).

6614989 is a wasteful number, since it uses less digits than its factorization.

6614989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389134.

The product of its digits is 93312, while the sum is 43.

The square root of 6614989 is about 2571.9620914780. The cubic root of 6614989 is about 187.7196383180.

The spelling of 6614989 in words is "six million, six hundred fourteen thousand, nine hundred eighty-nine".