214365919 has 4 divisors (see below), whose sum is σ = 218926944. Its totient is φ = 209804896.

The previous prime is 214365913. The next prime is 214365929. The reversal of 214365919 is 919563412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214365919 is a prime.

It is a super-2 number, since 2×214365919² = 91905494457429122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214365913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280442 + ... + 2280535.

It is an arithmetic number, because the mean of its divisors is an integer number (54731736).

Almost surely, 2^214365919 is an apocalyptic number.

214365919 is a deficient number, since it is larger than the sum of its proper divisors (4561025).

214365919 is an equidigital number, since it uses as much as digits as its factorization.

214365919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561024.

The product of its digits is 58320, while the sum is 40.

The square root of 214365919 is about 14641.2403504621. The cubic root of 214365919 is about 598.4831304466.

The spelling of 214365919 in words is "two hundred fourteen million, three hundred sixty-five thousand, nine hundred nineteen".