486216021 has 8 divisors (see below), whose sum is σ = 676474560. Its totient is φ = 310050752.

The previous prime is 486216019. The next prime is 486216037. The reversal of 486216021 is 120612684.

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 486216021 - 2¹ = 486216019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 486216021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486216041) 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, 3523236 + ... + 3523373.

It is an arithmetic number, because the mean of its divisors is an integer number (84559320).

Almost surely, 2^486216021 is an apocalyptic number.

It is an amenable number.

486216021 is a deficient number, since it is larger than the sum of its proper divisors (190258539).

486216021 is a wasteful number, since it uses less digits than its factorization.

486216021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046635.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 486216021 is about 22050.3065965079. The cubic root of 486216021 is about 786.3388897272.

The spelling of 486216021 in words is "four hundred eighty-six million, two hundred sixteen thousand, twenty-one".