210204234 has 28 divisors (see below), whose sum is σ = 472746546. Its totient is φ = 70067592.

The previous prime is 210204229. The next prime is 210204251. The reversal of 210204234 is 432402012.

210204234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190357209 + 19847025 = 13797^2 + 4455^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 70629 + ... + 73544.

Almost surely, 2^210204234 is an apocalyptic number.

210204234 is an abundant number, since it is smaller than the sum of its proper divisors (262542312).

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

210204234 is an equidigital number, since it uses as much as digits as its factorization.

210204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144193 (or 144178 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 210204234 is about 14498.4217761796. The cubic root of 210204234 is about 594.5848234714.

Adding to 210204234 its reverse (432402012), we get a palindrome (642606246).

The spelling of 210204234 in words is "two hundred ten million, two hundred four thousand, two hundred thirty-four".