214505685 has 16 divisors (see below), whose sum is σ = 381343680. Its totient is φ = 114402960.

The previous prime is 214505671. The next prime is 214505701. The reversal of 214505685 is 586505412.

It is not a de Polignac number, because 214505685 - 2¹² = 214501589 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 794331 + ... + 794600.

It is an arithmetic number, because the mean of its divisors is an integer number (23833980).

Almost surely, 2^214505685 is an apocalyptic number.

It is an amenable number.

214505685 is a deficient number, since it is larger than the sum of its proper divisors (166837995).

214505685 is a wasteful number, since it uses less digits than its factorization.

214505685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588945 (or 1588939 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 214505685 is about 14646.0125972908. The cubic root of 214505685 is about 598.6131719831.

The spelling of 214505685 in words is "two hundred fourteen million, five hundred five thousand, six hundred eighty-five".