14855978 has 8 divisors (see below), whose sum is σ = 22317120. Its totient is φ = 7416940.

The previous prime is 14855959. The next prime is 14855993. The reversal of 14855978 is 87955841.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^14855978 is an apocalyptic number.

14855978 is a deficient number, since it is larger than the sum of its proper divisors (7461142).

14855978 is a wasteful number, since it uses less digits than its factorization.

14855978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052.

The product of its digits is 403200, while the sum is 47.

The square root of 14855978 is about 3854.3453400026. The cubic root of 14855978 is about 245.8293592642.

The spelling of 14855978 in words is "fourteen million, eight hundred fifty-five thousand, nine hundred seventy-eight".