211242694 has 16 divisors (see below), whose sum is σ = 350462448. Its totient is φ = 94861152.

The previous prime is 211242673. The next prime is 211242749. The reversal of 211242694 is 496242112.

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, 108832 + ... + 110755.

It is an arithmetic number, because the mean of its divisors is an integer number (21903903).

Almost surely, 2^211242694 is an apocalyptic number.

211242694 is a deficient number, since it is larger than the sum of its proper divisors (139219754).

211242694 is a wasteful number, since it uses less digits than its factorization.

211242694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219639.

The product of its digits is 6912, while the sum is 31.

The square root of 211242694 is about 14534.1905175349. The cubic root of 211242694 is about 595.5623466750.

The spelling of 211242694 in words is "two hundred eleven million, two hundred forty-two thousand, six hundred ninety-four".