210664084 has 24 divisors (see below), whose sum is σ = 385475328. Its totient is φ = 100547040.

The previous prime is 210664081. The next prime is 210664093. The reversal of 210664084 is 480466012.

210664084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210664081) 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, 49189 + ... + 53299.

It is an arithmetic number, because the mean of its divisors is an integer number (16061472).

Almost surely, 2^210664084 is an apocalyptic number.

It is an amenable number.

210664084 is a deficient number, since it is larger than the sum of its proper divisors (174811244).

210664084 is a wasteful number, since it uses less digits than its factorization.

210664084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4693 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 210664084 is about 14514.2717350889. The cubic root of 210664084 is about 595.0180857436.

The spelling of 210664084 in words is "two hundred ten million, six hundred sixty-four thousand, eighty-four".