211949996 has 6 divisors (see below), whose sum is σ = 370912500. Its totient is φ = 105974996.

The previous prime is 211949993. The next prime is 211950017. The reversal of 211949996 is 699949112.

It is not an unprimeable number, because it can be changed into a prime (211949993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26493746 + ... + 26493753.

It is an arithmetic number, because the mean of its divisors is an integer number (61818750).

Almost surely, 2^211949996 is an apocalyptic number.

It is an amenable number.

211949996 is a deficient number, since it is larger than the sum of its proper divisors (158962504).

211949996 is a wasteful number, since it uses less digits than its factorization.

211949996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52987503 (or 52987501 counting only the distinct ones).

The product of its digits is 314928, while the sum is 50.

The square root of 211949996 is about 14558.5025328843. The cubic root of 211949996 is about 596.2263115143.

The spelling of 211949996 in words is "two hundred eleven million, nine hundred forty-nine thousand, nine hundred ninety-six".