211063842 has 24 divisors (see below), whose sum is σ = 498878640. Its totient is φ = 63958680.

The previous prime is 211063829. The next prime is 211063883. The reversal of 211063842 is 248360112.

211063842 is a `hidden beast` number, since 21 + 1 + 0 + 638 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532792 + ... + 533187.

It is an arithmetic number, because the mean of its divisors is an integer number (20786610).

Almost surely, 2^211063842 is an apocalyptic number.

211063842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211063842 is an abundant number, since it is smaller than the sum of its proper divisors (287814798).

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

211063842 is a wasteful number, since it uses less digits than its factorization.

211063842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065998 (or 1065995 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 211063842 is about 14528.0364123993. The cubic root of 211063842 is about 595.3942184263.

The spelling of 211063842 in words is "two hundred eleven million, sixty-three thousand, eight hundred forty-two".