211970794 has 16 divisors (see below), whose sum is σ = 364276800. Its totient is φ = 90620064.

The previous prime is 211970771. The next prime is 211970809. The reversal of 211970794 is 497079112.

211970794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12784 + ... + 24235.

It is an arithmetic number, because the mean of its divisors is an integer number (22767300).

Almost surely, 2^211970794 is an apocalyptic number.

211970794 is a deficient number, since it is larger than the sum of its proper divisors (152306006).

211970794 is a wasteful number, since it uses less digits than its factorization.

211970794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37437.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 211970794 is about 14559.2168058588. The cubic root of 211970794 is about 596.2458128267.

The spelling of 211970794 in words is "two hundred eleven million, nine hundred seventy thousand, seven hundred ninety-four".