211203942 has 16 divisors (see below), whose sum is σ = 427155120. Its totient is φ = 69610112.

The previous prime is 211203931. The next prime is 211204001. The reversal of 211203942 is 249302112.

It is a congruent number.

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, 197223 + ... + 198290.

It is an arithmetic number, because the mean of its divisors is an integer number (26697195).

Almost surely, 2^211203942 is an apocalyptic number.

211203942 is an abundant number, since it is smaller than the sum of its proper divisors (215951178).

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

211203942 is a wasteful number, since it uses less digits than its factorization.

211203942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395607.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 211203942 is about 14532.8573240089. The cubic root of 211203942 is about 595.5259262541.

The spelling of 211203942 in words is "two hundred eleven million, two hundred three thousand, nine hundred forty-two".