14039989 has 4 divisors (see below), whose sum is σ = 14117740. Its totient is φ = 13962240.

The previous prime is 14039953. The next prime is 14040001. The reversal of 14039989 is 98993041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98993041 = 7 ⋅14141863.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 11662225 = 1542^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 14039989 - 2⁹ = 14039477 is a prime.

It is a super-2 number, since 2×14039989² = 394242582240242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14039939) 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, 38604 + ... + 38965.

It is an arithmetic number, because the mean of its divisors is an integer number (3529435).

Almost surely, 2^14039989 is an apocalyptic number.

It is an amenable number.

14039989 is a deficient number, since it is larger than the sum of its proper divisors (77751).

14039989 is an equidigital number, since it uses as much as digits as its factorization.

14039989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77750.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 14039989 is about 3746.9973311973. The cubic root of 14039989 is about 241.2434825125.

The spelling of 14039989 in words is "fourteen million, thirty-nine thousand, nine hundred eighty-nine".