211416738 has 32 divisors (see below), whose sum is σ = 460070016. Its totient is φ = 64378368.

The previous prime is 211416703. The next prime is 211416739. The reversal of 211416738 is 837614112.

211416738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211416699 and 211416708.

It is not an unprimeable number, because it can be changed into a prime (211416739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6406 + ... + 21537.

It is an arithmetic number, because the mean of its divisors is an integer number (14377188).

Almost surely, 2^211416738 is an apocalyptic number.

211416738 is an abundant number, since it is smaller than the sum of its proper divisors (248653278).

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

211416738 is a wasteful number, since it uses less digits than its factorization.

211416738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28058.

The product of its digits is 8064, while the sum is 33.

The square root of 211416738 is about 14540.1766839334. The cubic root of 211416738 is about 595.7258641236.

The spelling of 211416738 in words is "two hundred eleven million, four hundred sixteen thousand, seven hundred thirty-eight".