14405985 has 64 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 6842880.

The previous prime is 14405977. The next prime is 14405999. The reversal of 14405985 is 58950441.

It is not a de Polignac number, because 14405985 - 2³ = 14405977 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 132111 + ... + 132219.

It is an arithmetic number, because the mean of its divisors is an integer number (445500).

Almost surely, 2^14405985 is an apocalyptic number.

14405985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14405985 is a deficient number, since it is larger than the sum of its proper divisors (14106015).

14405985 is a wasteful number, since it uses less digits than its factorization.

14405985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 14405985 is about 3795.5217032708. The cubic root of 14405985 is about 243.3217806905.

The spelling of 14405985 in words is "fourteen million, four hundred five thousand, nine hundred eighty-five".