211828472 has 8 divisors (see below), whose sum is σ = 397178400. Its totient is φ = 105914232.

The previous prime is 211828469. The next prime is 211828523. The reversal of 211828472 is 274828112.

211828472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13239272 + ... + 13239287.

It is an arithmetic number, because the mean of its divisors is an integer number (49647300).

Almost surely, 2^211828472 is an apocalyptic number.

It is an amenable number.

211828472 is a deficient number, since it is larger than the sum of its proper divisors (185349928).

211828472 is a wasteful number, since it uses less digits than its factorization.

211828472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26478565 (or 26478561 counting only the distinct ones).

The product of its digits is 14336, while the sum is 35.

The square root of 211828472 is about 14554.3282909243. The cubic root of 211828472 is about 596.1123386278.

The spelling of 211828472 in words is "two hundred eleven million, eight hundred twenty-eight thousand, four hundred seventy-two".