214488740 has 12 divisors (see below), whose sum is σ = 450426396. Its totient is φ = 85795488.

The previous prime is 214488737. The next prime is 214488761. The reversal of 214488740 is 47884412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64866916 + 149621824 = 8054^2 + 12232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 214488694 and 214488703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5362199 + ... + 5362238.

It is an arithmetic number, because the mean of its divisors is an integer number (37535533).

Almost surely, 2^214488740 is an apocalyptic number.

214488740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214488740 is an abundant number, since it is smaller than the sum of its proper divisors (235937656).

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

214488740 is a wasteful number, since it uses less digits than its factorization.

214488740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724446 (or 10724444 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 214488740 is about 14645.4341007701. The cubic root of 214488740 is about 598.5974089707.

The spelling of 214488740 in words is "two hundred fourteen million, four hundred eighty-eight thousand, seven hundred forty".