214509018 has 16 divisors (see below), whose sum is σ = 434187936. Its totient is φ = 70641360.

The previous prime is 214509013. The next prime is 214509019. The reversal of 214509018 is 810905412.

It is a happy number.

214509018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (214509013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214873 + ... + 215868.

It is an arithmetic number, because the mean of its divisors is an integer number (27136746).

Almost surely, 2^214509018 is an apocalyptic number.

214509018 is an abundant number, since it is smaller than the sum of its proper divisors (219678918).

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

214509018 is a wasteful number, since it uses less digits than its factorization.

214509018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430829.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 214509018 is about 14646.1263820848. The cubic root of 214509018 is about 598.6162723941.

The spelling of 214509018 in words is "two hundred fourteen million, five hundred nine thousand, eighteen".