420304351 has 8 divisors (see below), whose sum is σ = 423759600. Its totient is φ = 416861760.

The previous prime is 420304331. The next prime is 420304361. The reversal of 420304351 is 153403024.

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

It is a cyclic number.

It is not a de Polignac number, because 420304351 - 2⁵ = 420304319 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 (420304321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70341 + ... + 76081.

It is an arithmetic number, because the mean of its divisors is an integer number (52969950).

Almost surely, 2^420304351 is an apocalyptic number.

420304351 is a deficient number, since it is larger than the sum of its proper divisors (3455249).

420304351 is a wasteful number, since it uses less digits than its factorization.

420304351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329.

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

The square root of 420304351 is about 20501.3255912880. The cubic root of 420304351 is about 749.0680875689.

Adding to 420304351 its reverse (153403024), we get a palindrome (573707375).

The spelling of 420304351 in words is "four hundred twenty million, three hundred four thousand, three hundred fifty-one".