14478986 has 8 divisors (see below), whose sum is σ = 22248324. Its totient is φ = 7062880.

The previous prime is 14478979. The next prime is 14478991. The reversal of 14478986 is 68987441.

It can be written as a sum of positive squares in 2 ways, for example, as 14478025 + 961 = 3805^2 + 31^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 14478986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88205 + ... + 88368.

Almost surely, 2^14478986 is an apocalyptic number.

14478986 is a deficient number, since it is larger than the sum of its proper divisors (7769338).

14478986 is a wasteful number, since it uses less digits than its factorization.

14478986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176616.

The product of its digits is 387072, while the sum is 47.

The square root of 14478986 is about 3805.1262791135. The cubic root of 14478986 is about 243.7320919563.

The spelling of 14478986 in words is "fourteen million, four hundred seventy-eight thousand, nine hundred eighty-six".