211468630 has 8 divisors (see below), whose sum is σ = 380643552. Its totient is φ = 84587448.

The previous prime is 211468619. The next prime is 211468669. The reversal of 211468630 is 36864112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211468592 and 211468601.

It is a congruent number.

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, 10573422 + ... + 10573441.

It is an arithmetic number, because the mean of its divisors is an integer number (47580444).

Almost surely, 2^211468630 is an apocalyptic number.

211468630 is a deficient number, since it is larger than the sum of its proper divisors (169174922).

211468630 is a wasteful number, since it uses less digits than its factorization.

211468630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21146870.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 211468630 is about 14541.9610094375. The cubic root of 211468630 is about 595.7746002170.

The spelling of 211468630 in words is "two hundred eleven million, four hundred sixty-eight thousand, six hundred thirty".