214697385 has 40 divisors (see below), whose sum is σ = 439851456. Its totient is φ = 98146080.

The previous prime is 214697377. The next prime is 214697389. The reversal of 214697385 is 583796412.

It is not a de Polignac number, because 214697385 - 2³ = 214697377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 214697385.

It is not an unprimeable number, because it can be changed into a prime (214697389) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35031 + ... + 40700.

Almost surely, 2^214697385 is an apocalyptic number.

It is an amenable number.

214697385 is an abundant number, since it is smaller than the sum of its proper divisors (225154071).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214697385 is an equidigital number, since it uses as much as digits as its factorization.

214697385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75755 (or 75746 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 214697385 is about 14652.5555791473. Note that the first 4 decimals coincide. The cubic root of 214697385 is about 598.7914422815.

The spelling of 214697385 in words is "two hundred fourteen million, six hundred ninety-seven thousand, three hundred eighty-five".