486672421 has 4 divisors (see below), whose sum is σ = 486719200. Its totient is φ = 486625644.

The previous prime is 486672397. The next prime is 486672493. The reversal of 486672421 is 124276684.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 486672421 - 2¹⁵ = 486639653 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 (486672521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40 + ... + 31198.

It is an arithmetic number, because the mean of its divisors is an integer number (121679800).

Almost surely, 2^486672421 is an apocalyptic number.

It is an amenable number.

486672421 is a deficient number, since it is larger than the sum of its proper divisors (46779).

486672421 is a wasteful number, since it uses less digits than its factorization.

486672421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46778.

The product of its digits is 129024, while the sum is 40.

The square root of 486672421 is about 22060.6532314889. The cubic root of 486672421 is about 786.5848523034.

The spelling of 486672421 in words is "four hundred eighty-six million, six hundred seventy-two thousand, four hundred twenty-one".