211696396 has 24 divisors (see below), whose sum is σ = 391322624. Its totient is φ = 100049040.

The previous prime is 211696391. The next prime is 211696409. The reversal of 211696396 is 693696112.

211696396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (211696391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14520 + ... + 25183.

Almost surely, 2^211696396 is an apocalyptic number.

It is an amenable number.

211696396 is a deficient number, since it is larger than the sum of its proper divisors (179626228).

211696396 is a wasteful number, since it uses less digits than its factorization.

211696396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39781 (or 39779 counting only the distinct ones).

The product of its digits is 104976, while the sum is 43.

The square root of 211696396 is about 14549.7902390378. The cubic root of 211696396 is about 595.9884199663.

The spelling of 211696396 in words is "two hundred eleven million, six hundred ninety-six thousand, three hundred ninety-six".