420328245 has 8 divisors (see below), whose sum is σ = 672525216. Its totient is φ = 224175056.

The previous prime is 420328231. The next prime is 420328253. The reversal of 420328245 is 542823024.

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 420328245 - 2⁴ = 420328229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14010927 + ... + 14010956.

It is an arithmetic number, because the mean of its divisors is an integer number (84065652).

Almost surely, 2^420328245 is an apocalyptic number.

It is an amenable number.

420328245 is a deficient number, since it is larger than the sum of its proper divisors (252196971).

420328245 is a wasteful number, since it uses less digits than its factorization.

420328245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28021891.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 420328245 is about 20501.9083258120. The cubic root of 420328245 is about 749.0822819606.

The spelling of 420328245 in words is "four hundred twenty million, three hundred twenty-eight thousand, two hundred forty-five".