486309421 has 4 divisors (see below), whose sum is σ = 523717852. Its totient is φ = 448900992.

The previous prime is 486309413. The next prime is 486309449. The reversal of 486309421 is 124903684.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23629321 + 462680100 = 4861^2 + 21510^2 .

It is a cyclic number.

It is not a de Polignac number, because 486309421 - 2³ = 486309413 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 (486309221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18704196 + ... + 18704221.

It is an arithmetic number, because the mean of its divisors is an integer number (130929463).

Almost surely, 2^486309421 is an apocalyptic number.

It is an amenable number.

486309421 is a deficient number, since it is larger than the sum of its proper divisors (37408431).

486309421 is a wasteful number, since it uses less digits than its factorization.

486309421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37408430.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 486309421 is about 22052.4243791924. The cubic root of 486309421 is about 786.3892372729.

The spelling of 486309421 in words is "four hundred eighty-six million, three hundred nine thousand, four hundred twenty-one".