421234204 has 12 divisors (see below), whose sum is σ = 737405200. Its totient is φ = 210547008.

The previous prime is 421234189. The next prime is 421234207. The reversal of 421234204 is 402432124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421234207) 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 3 ways as a sum of consecutive naturals, for example, 2589 + ... + 29140.

Almost surely, 2^421234204 is an apocalyptic number.

It is an amenable number.

421234204 is a deficient number, since it is larger than the sum of its proper divisors (316170996).

421234204 is a wasteful number, since it uses less digits than its factorization.

421234204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35052 (or 35050 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 421234204 is about 20523.9909374371. The cubic root of 421234204 is about 749.6200766138.

Adding to 421234204 its reverse (402432124), we get a palindrome (823666328).

It can be divided in two parts, 4212 and 34204, that added together give a 4-th power (38416 = 14⁴).

The spelling of 421234204 in words is "four hundred twenty-one million, two hundred thirty-four thousand, two hundred four".