14991684 has 48 divisors (see below), whose sum is σ = 37632000. Its totient is φ = 4630176.

The previous prime is 14991679. The next prime is 14991689. The reversal of 14991684 is 48619941.

It is an interprime number because it is at equal distance from previous prime (14991679) and next prime (14991689).

It is not an unprimeable number, because it can be changed into a prime (14991689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10017 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (784000).

Almost surely, 2^14991684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14991684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18816000).

14991684 is an abundant number, since it is smaller than the sum of its proper divisors (22640316).

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

14991684 is a wasteful number, since it uses less digits than its factorization.

14991684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1470 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 14991684 is about 3871.9096063829. The cubic root of 14991684 is about 246.5756234089.

The spelling of 14991684 in words is "fourteen million, nine hundred ninety-one thousand, six hundred eighty-four".