421303199 has 4 divisors (see below), whose sum is σ = 421599864. Its totient is φ = 421006536.

The previous prime is 421303187. The next prime is 421303217. The reversal of 421303199 is 991303124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421303199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421303499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146192 + ... + 149045.

It is an arithmetic number, because the mean of its divisors is an integer number (105399966).

Almost surely, 2^421303199 is an apocalyptic number.

421303199 is a deficient number, since it is larger than the sum of its proper divisors (296665).

421303199 is a wasteful number, since it uses less digits than its factorization.

421303199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296664.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 421303199 is about 20525.6717064266. The cubic root of 421303199 is about 749.6610017596.

The spelling of 421303199 in words is "four hundred twenty-one million, three hundred three thousand, one hundred ninety-nine".