421004202 has 8 divisors (see below), whose sum is σ = 842008416. Its totient is φ = 140334732.

The previous prime is 421004183. The next prime is 421004203. The reversal of 421004202 is 202400124.

It is a sphenic number, since it is the product of 3 distinct primes.

421004202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (421004203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35083678 + ... + 35083689.

It is an arithmetic number, because the mean of its divisors is an integer number (105251052).

Almost surely, 2^421004202 is an apocalyptic number.

421004202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421004202 is a wasteful number, since it uses less digits than its factorization.

421004202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70167372.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 421004202 is about 20518.3869249023. The cubic root of 421004202 is about 749.4836161007.

Adding to 421004202 its reverse (202400124), we get a palindrome (623404326).

The spelling of 421004202 in words is "four hundred twenty-one million, four thousand, two hundred two".