214238918 has 4 divisors (see below), whose sum is σ = 321358380. Its totient is φ = 107119458.

The previous prime is 214238911. The next prime is 214238929. The reversal of 214238918 is 819832412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214238911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53559728 + ... + 53559731.

It is an arithmetic number, because the mean of its divisors is an integer number (80339595).

Almost surely, 2^214238918 is an apocalyptic number.

214238918 is a deficient number, since it is larger than the sum of its proper divisors (107119462).

214238918 is a wasteful number, since it uses less digits than its factorization.

214238918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107119461.

The product of its digits is 27648, while the sum is 38.

The square root of 214238918 is about 14636.9026095004. The cubic root of 214238918 is about 598.3649167373.

The spelling of 214238918 in words is "two hundred fourteen million, two hundred thirty-eight thousand, nine hundred eighteen".