214947018 has 96 divisors (see below), whose sum is σ = 552726720. Its totient is φ = 59512320.

The previous prime is 214947017. The next prime is 214947041. The reversal of 214947018 is 810749412.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (214947011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290493 + ... + 291231.

It is an arithmetic number, because the mean of its divisors is an integer number (5757570).

Almost surely, 2^214947018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214947018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276363360).

214947018 is an abundant number, since it is smaller than the sum of its proper divisors (337779702).

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

214947018 is a wasteful number, since it uses less digits than its factorization.

214947018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 214947018 is about 14661.0715160932. The cubic root of 214947018 is about 599.0234280410.

The spelling of 214947018 in words is "two hundred fourteen million, nine hundred forty-seven thousand, eighteen".