214428918 has 32 divisors (see below), whose sum is σ = 468633600. Its totient is φ = 64868960.

The previous prime is 214428911. The next prime is 214428919. The reversal of 214428918 is 819824412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214428911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42283 + ... + 47081.

It is an arithmetic number, because the mean of its divisors is an integer number (14644800).

Almost surely, 2^214428918 is an apocalyptic number.

214428918 is an abundant number, since it is smaller than the sum of its proper divisors (254204682).

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

214428918 is a wasteful number, since it uses less digits than its factorization.

214428918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492.

The product of its digits is 36864, while the sum is 39.

The square root of 214428918 is about 14643.3916153328. The cubic root of 214428918 is about 598.5417531760.

The spelling of 214428918 in words is "two hundred fourteen million, four hundred twenty-eight thousand, nine hundred eighteen".