214840518 has 16 divisors (see below), whose sum is σ = 431576640. Its totient is φ = 71297576.

The previous prime is 214840511. The next prime is 214840519. The reversal of 214840518 is 815048412.

214840518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214840511) 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, 77508 + ... + 80231.

It is an arithmetic number, because the mean of its divisors is an integer number (26973540).

Almost surely, 2^214840518 is an apocalyptic number.

214840518 is an abundant number, since it is smaller than the sum of its proper divisors (216736122).

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

214840518 is a wasteful number, since it uses less digits than its factorization.

214840518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157971.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 214840518 is about 14657.4389986791. The cubic root of 214840518 is about 598.9244787977.

The spelling of 214840518 in words is "two hundred fourteen million, eight hundred forty thousand, five hundred eighteen".