14399189 has 6 divisors (see below), whose sum is σ = 16750134. Its totient is φ = 12342120.

The previous prime is 14399141. The next prime is 14399191. The reversal of 14399189 is 98199341.

14399189 = T₇₄₂ + T₇₄₃ + ... + T₇₉₀.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 3062500 = 3367^2 + 1750^2 .

It is not a de Polignac number, because 14399189 - 2⁸ = 14398933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14369189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146882 + ... + 146979.

It is an arithmetic number, because the mean of its divisors is an integer number (2791689).

Almost surely, 2^14399189 is an apocalyptic number.

It is an amenable number.

14399189 is a deficient number, since it is larger than the sum of its proper divisors (2350945).

14399189 is an equidigital number, since it uses as much as digits as its factorization.

14399189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293875 (or 293868 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 14399189 is about 3794.6263320649. The cubic root of 14399189 is about 243.2835124540.

The spelling of 14399189 in words is "fourteen million, three hundred ninety-nine thousand, one hundred eighty-nine".