211479430 has 8 divisors (see below), whose sum is σ = 380662992. Its totient is φ = 84591768.

The previous prime is 211479419. The next prime is 211479469. The reversal of 211479430 is 34974112.

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 = 211479392 and 211479401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10573962 + ... + 10573981.

It is an arithmetic number, because the mean of its divisors is an integer number (47582874).

Almost surely, 2^211479430 is an apocalyptic number.

211479430 is a deficient number, since it is larger than the sum of its proper divisors (169183562).

211479430 is a wasteful number, since it uses less digits than its factorization.

211479430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21147950.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 211479430 is about 14542.3323438849. The cubic root of 211479430 is about 595.7847423929.

The spelling of 211479430 in words is "two hundred eleven million, four hundred seventy-nine thousand, four hundred thirty".