211384534 has 8 divisors (see below), whose sum is σ = 320345928. Its totient is φ = 104602560.

The previous prime is 211384529. The next prime is 211384541. The reversal of 211384534 is 435483112.

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 = 211384496 and 211384505.

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, 544612 + ... + 544999.

It is an arithmetic number, because the mean of its divisors is an integer number (40043241).

Almost surely, 2^211384534 is an apocalyptic number.

211384534 is a deficient number, since it is larger than the sum of its proper divisors (108961394).

211384534 is a wasteful number, since it uses less digits than its factorization.

211384534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089710.

The product of its digits is 11520, while the sum is 31.

The square root of 211384534 is about 14539.0692274299. The cubic root of 211384534 is about 595.6956146581.

The spelling of 211384534 in words is "two hundred eleven million, three hundred eighty-four thousand, five hundred thirty-four".