14985405 has 40 divisors (see below), whose sum is σ = 27146592. Its totient is φ = 7908192.

The previous prime is 14985403. The next prime is 14985409. The reversal of 14985405 is 50458941.

It is not a de Polignac number, because 14985405 - 2¹ = 14985403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14985405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14985403) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 65902 + ... + 66128.

Almost surely, 2^14985405 is an apocalyptic number.

14985405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14985405 is a deficient number, since it is larger than the sum of its proper divisors (12161187).

14985405 is a wasteful number, since it uses less digits than its factorization.

14985405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

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

The square root of 14985405 is about 3871.0986812532. The cubic root of 14985405 is about 246.5411939981.

It can be divided in two parts, 1498 and 5405, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 14985405 in words is "fourteen million, nine hundred eighty-five thousand, four hundred five".