421486243 has 8 divisors (see below), whose sum is σ = 426288240. Its totient is φ = 416693760.

The previous prime is 421486211. The next prime is 421486249. The reversal of 421486243 is 342684124.

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 421486243 - 2⁵ = 421486211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421486199 and 421486208.

It is not an unprimeable number, because it can be changed into a prime (421486249) 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, 123348 + ... + 126718.

It is an arithmetic number, because the mean of its divisors is an integer number (53286030).

Almost surely, 2^421486243 is an apocalyptic number.

421486243 is a deficient number, since it is larger than the sum of its proper divisors (4801997).

421486243 is a wasteful number, since it uses less digits than its factorization.

421486243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757.

The product of its digits is 36864, while the sum is 34.

The square root of 421486243 is about 20530.1301262315. The cubic root of 421486243 is about 749.7695546820.

The spelling of 421486243 in words is "four hundred twenty-one million, four hundred eighty-six thousand, two hundred forty-three".