211073838 has 8 divisors (see below), whose sum is σ = 422147688. Its totient is φ = 70357944.

The previous prime is 211073827. The next prime is 211073839. The reversal of 211073838 is 838370112.

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

211073838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 211073799 and 211073808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211073839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17589481 + ... + 17589492.

It is an arithmetic number, because the mean of its divisors is an integer number (52768461).

Almost surely, 2^211073838 is an apocalyptic number.

211073838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211073838 is a wasteful number, since it uses less digits than its factorization.

211073838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35178978.

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

The square root of 211073838 is about 14528.3804327943. The cubic root of 211073838 is about 595.4036175835.

The spelling of 211073838 in words is "two hundred eleven million, seventy-three thousand, eight hundred thirty-eight".