211314894 has 32 divisors (see below), whose sum is σ = 483588096. Its totient is φ = 60302880.

The previous prime is 211314893. The next prime is 211314907. The reversal of 211314894 is 498413112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211314893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39084 + ... + 44160.

It is an arithmetic number, because the mean of its divisors is an integer number (15112128).

Almost surely, 2^211314894 is an apocalyptic number.

211314894 is an abundant number, since it is smaller than the sum of its proper divisors (272273202).

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

211314894 is a wasteful number, since it uses less digits than its factorization.

211314894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080.

The product of its digits is 6912, while the sum is 33.

The square root of 211314894 is about 14536.6741037969. The cubic root of 211314894 is about 595.6301907625.

The spelling of 211314894 in words is "two hundred eleven million, three hundred fourteen thousand, eight hundred ninety-four".