420299 has 8 divisors (see below), whose sum is σ = 482880. Its totient is φ = 361800.

The previous prime is 420293. The next prime is 420307. The reversal of 420299 is 992024.

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 420299 - 2¹⁶ = 354763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420293) 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 7 ways as a sum of consecutive naturals, for example, 797 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (60360).

2⁴²⁰²⁹⁹ is an apocalyptic number.

420299 is a deficient number, since it is larger than the sum of its proper divisors (62581).

420299 is a wasteful number, since it uses less digits than its factorization.

420299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 420299 is about 648.3047123074. The cubic root of 420299 is about 74.9064908698.

The spelling of 420299 in words is "four hundred twenty thousand, two hundred ninety-nine".