486617221 has 8 divisors (see below), whose sum is σ = 496419840. Its totient is φ = 476837712.

The previous prime is 486617213. The next prime is 486617239. The reversal of 486617221 is 122716684.

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 486617221 - 2³ = 486617213 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 (486617251) 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, 40420 + ... + 51058.

It is an arithmetic number, because the mean of its divisors is an integer number (62052480).

Almost surely, 2^486617221 is an apocalyptic number.

It is an amenable number.

486617221 is a deficient number, since it is larger than the sum of its proper divisors (9802619).

486617221 is a wasteful number, since it uses less digits than its factorization.

486617221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555.

The product of its digits is 32256, while the sum is 37.

The square root of 486617221 is about 22059.4020997850. The cubic root of 486617221 is about 786.5551121581. Note that the first 3 decimals are identical.

The spelling of 486617221 in words is "four hundred eighty-six million, six hundred seventeen thousand, two hundred twenty-one".