487421 has 8 divisors (see below), whose sum is σ = 539904. Its totient is φ = 436320.

The previous prime is 487397. The next prime is 487423. The reversal of 487421 is 124784.

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 487421 - 2¹⁰ = 486397 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 (487423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 1106.

It is an arithmetic number, because the mean of its divisors is an integer number (67488).

2⁴⁸⁷⁴²¹ is an apocalyptic number.

It is an amenable number.

487421 is a deficient number, since it is larger than the sum of its proper divisors (52483).

487421 is a wasteful number, since it uses less digits than its factorization.

487421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 1792, while the sum is 26.

The square root of 487421 is about 698.1554268213. The cubic root of 487421 is about 78.6987942921.

The spelling of 487421 in words is "four hundred eighty-seven thousand, four hundred twenty-one".