214019685 has 64 divisors (see below), whose sum is σ = 418037760. Its totient is φ = 103026240.

The previous prime is 214019657. The next prime is 214019693. The reversal of 214019685 is 586910412.

214019685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214019685 - 2¹⁶ = 213954149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247564 + ... + 248426.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^214019685 is an apocalyptic number.

It is an amenable number.

214019685 is a deficient number, since it is larger than the sum of its proper divisors (204018075).

214019685 is a wasteful number, since it uses less digits than its factorization.

214019685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 214019685 is about 14629.4116423047. The cubic root of 214019685 is about 598.1607426484.

The spelling of 214019685 in words is "two hundred fourteen million, nineteen thousand, six hundred eighty-five".