211075628 has 12 divisors (see below), whose sum is σ = 371317632. Its totient is φ = 104984880.

The previous prime is 211075609. The next prime is 211075643. The reversal of 211075628 is 826570112.

It is a junction number, because it is equal to n+sod(n) for n = 211075594 and 211075603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137375 + ... + 138902.

It is an arithmetic number, because the mean of its divisors is an integer number (30943136).

Almost surely, 2^211075628 is an apocalyptic number.

It is an amenable number.

211075628 is a deficient number, since it is larger than the sum of its proper divisors (160242004).

211075628 is a wasteful number, since it uses less digits than its factorization.

211075628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276472 (or 276470 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 211075628 is about 14528.4420362267. The cubic root of 211075628 is about 595.4053006745.

The spelling of 211075628 in words is "two hundred eleven million, seventy-five thousand, six hundred twenty-eight".