14989947 has 8 divisors (see below), whose sum is σ = 22841856. Its totient is φ = 8565672.

The previous prime is 14989943. The next prime is 14989963. The reversal of 14989947 is 74998941.

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

It is not a de Polignac number, because 14989947 - 2² = 14989943 is a prime.

It is a super-2 number, since 2×14989947² = 449397022125618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14989947.

It is not an unprimeable number, because it can be changed into a prime (14989943) 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, 356883 + ... + 356924.

It is an arithmetic number, because the mean of its divisors is an integer number (2855232).

Almost surely, 2^14989947 is an apocalyptic number.

14989947 is a deficient number, since it is larger than the sum of its proper divisors (7851909).

14989947 is an equidigital number, since it uses as much as digits as its factorization.

14989947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713817.

The product of its digits is 653184, while the sum is 51.

The square root of 14989947 is about 3871.6852919627. The cubic root of 14989947 is about 246.5660999425.

The spelling of 14989947 in words is "fourteen million, nine hundred eighty-nine thousand, nine hundred forty-seven".