214419397 has 6 divisors (see below), whose sum is σ = 218544242. Its totient is φ = 210370992.

The previous prime is 214419367. The next prime is 214419407. The reversal of 214419397 is 793914412.

It can be written as a sum of positive squares in 3 ways, for example, as 44742721 + 169676676 = 6689^2 + 13026^2 .

It is not a de Polignac number, because 214419397 - 2⁷ = 214419269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214419347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35358 + ... + 40975.

Almost surely, 2^214419397 is an apocalyptic number.

It is an amenable number.

214419397 is a deficient number, since it is larger than the sum of its proper divisors (4124845).

214419397 is an frugal number, since it uses more digits than its factorization.

214419397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76439 (or 76386 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 214419397 is about 14643.0665162732. The cubic root of 214419397 is about 598.5328942957.

The spelling of 214419397 in words is "two hundred fourteen million, four hundred nineteen thousand, three hundred ninety-seven".