210938030 has 32 divisors (see below), whose sum is σ = 390223008. Its totient is φ = 82048000.

The previous prime is 210938017. The next prime is 210938033. The reversal of 210938030 is 30839012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210938033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163769 + ... + 165051.

It is an arithmetic number, because the mean of its divisors is an integer number (12194469).

Almost surely, 2^210938030 is an apocalyptic number.

210938030 is a deficient number, since it is larger than the sum of its proper divisors (179284978).

210938030 is a wasteful number, since it uses less digits than its factorization.

210938030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 210938030 is about 14523.7057943212. The cubic root of 210938030 is about 595.2758930492.

The spelling of 210938030 in words is "two hundred ten million, nine hundred thirty-eight thousand, thirty".