210084830 has 32 divisors (see below), whose sum is σ = 398684160. Its totient is φ = 79587360.

The previous prime is 210084817. The next prime is 210084839. The reversal of 210084830 is 38480012.

It is a super-2 number, since 2×210084830² = 88271271592257800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210084830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210084839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7361 + ... + 21779.

It is an arithmetic number, because the mean of its divisors is an integer number (12458880).

Almost surely, 2^210084830 is an apocalyptic number.

210084830 is a deficient number, since it is larger than the sum of its proper divisors (188599330).

210084830 is a wasteful number, since it uses less digits than its factorization.

210084830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14504.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 210084830 is about 14494.3033637357. The cubic root of 210084830 is about 594.4722198827.

The spelling of 210084830 in words is "two hundred ten million, eighty-four thousand, eight hundred thirty".