14783989 has 8 divisors (see below), whose sum is σ = 16178400. Its totient is φ = 13398000.

The previous prime is 14783987. The next prime is 14784001. The reversal of 14783989 is 98938741.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14783989 - 2¹ = 14783987 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 (14783983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914 + ... + 5764.

It is an arithmetic number, because the mean of its divisors is an integer number (2022300).

Almost surely, 2^14783989 is an apocalyptic number.

It is an amenable number.

14783989 is a deficient number, since it is larger than the sum of its proper divisors (1394411).

14783989 is a wasteful number, since it uses less digits than its factorization.

14783989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its digits is 435456, while the sum is 49.

The square root of 14783989 is about 3844.9953185927. The cubic root of 14783989 is about 245.4316367155.

The spelling of 14783989 in words is "fourteen million, seven hundred eighty-three thousand, nine hundred eighty-nine".