14789640 has 64 divisors (see below), whose sum is σ = 45581760. Its totient is φ = 3836160.

The previous prime is 14789629. The next prime is 14789651. The reversal of 14789640 is 4698741.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14789629) and next prime (14789651).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775 + ... + 6105.

It is an arithmetic number, because the mean of its divisors is an integer number (712215).

Almost surely, 2^14789640 is an apocalyptic number.

14789640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14789640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22790880).

14789640 is an abundant number, since it is smaller than the sum of its proper divisors (30792120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14789640 is a wasteful number, since it uses less digits than its factorization.

14789640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 14789640 is about 3845.7300997340. The cubic root of 14789640 is about 245.4629038181.

The spelling of 14789640 in words is "fourteen million, seven hundred eighty-nine thousand, six hundred forty".