210345304 has 64 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 90837120.

The previous prime is 210345299. The next prime is 210345307. The reversal of 210345304 is 403543012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210345307) 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, 111489 + ... + 113359.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^210345304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210345304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226437120).

210345304 is an abundant number, since it is smaller than the sum of its proper divisors (242528936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210345304 is a wasteful number, since it uses less digits than its factorization.

210345304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 210345304 is about 14503.2859724960. The cubic root of 210345304 is about 594.7178041804.

Adding to 210345304 its reverse (403543012), we get a palindrome (613888316).

The spelling of 210345304 in words is "two hundred ten million, three hundred forty-five thousand, three hundred four".