214995340 has 72 divisors (see below), whose sum is σ = 532042560. Its totient is φ = 72753408.

The previous prime is 214995307. The next prime is 214995397. The reversal of 214995340 is 43599412.

It is a self number, because there is not a number n which added to its sum of digits gives 214995340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76032 + ... + 78808.

It is an arithmetic number, because the mean of its divisors is an integer number (7389480).

Almost surely, 2^214995340 is an apocalyptic number.

214995340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214995340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266021280).

214995340 is an abundant number, since it is smaller than the sum of its proper divisors (317047220).

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

214995340 is a wasteful number, since it uses less digits than its factorization.

214995340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 214995340 is about 14662.7193930730. The cubic root of 214995340 is about 599.0683132745.

The spelling of 214995340 in words is "two hundred fourteen million, nine hundred ninety-five thousand, three hundred forty".