211838532 has 24 divisors (see below), whose sum is σ = 496121472. Its totient is φ = 70351200.

The previous prime is 211838527. The next prime is 211838551. The reversal of 211838532 is 235838112.

It is a junction number, because it is equal to n+sod(n) for n = 211838493 and 211838502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29319 + ... + 35822.

It is an arithmetic number, because the mean of its divisors is an integer number (20671728).

Almost surely, 2^211838532 is an apocalyptic number.

It is an amenable number.

211838532 is an abundant number, since it is smaller than the sum of its proper divisors (284282940).

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

211838532 is a wasteful number, since it uses less digits than its factorization.

211838532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65419 (or 65417 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 211838532 is about 14554.6738884799. The cubic root of 211838532 is about 596.1217751862.

The spelling of 211838532 in words is "two hundred eleven million, eight hundred thirty-eight thousand, five hundred thirty-two".