214897194 has 12 divisors (see below), whose sum is σ = 465610626. Its totient is φ = 71632392.

The previous prime is 214897183. The next prime is 214897213. The reversal of 214897194 is 491798412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 196364169 + 18533025 = 14013^2 + 4305^2 .

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 5 ways as a sum of consecutive naturals, for example, 5969349 + ... + 5969384.

Almost surely, 2^214897194 is an apocalyptic number.

214897194 is an abundant number, since it is smaller than the sum of its proper divisors (250713432).

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

214897194 is a wasteful number, since it uses less digits than its factorization.

214897194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11938741 (or 11938738 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 214897194 is about 14659.3722239392. The cubic root of 214897194 is about 598.9771405886.

The spelling of 214897194 in words is "two hundred fourteen million, eight hundred ninety-seven thousand, one hundred ninety-four".