486616649 has 4 divisors (see below), whose sum is σ = 489429636. Its totient is φ = 483803664.

The previous prime is 486616609. The next prime is 486616673. The reversal of 486616649 is 946616684.

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 473367049 + 13249600 = 21757^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 486616649 - 2¹⁶ = 486551113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 486616597 and 486616606.

It is not an unprimeable number, because it can be changed into a prime (486616609) 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, 1406234 + ... + 1406579.

It is an arithmetic number, because the mean of its divisors is an integer number (122357409).

Almost surely, 2^486616649 is an apocalyptic number.

It is an amenable number.

486616649 is a deficient number, since it is larger than the sum of its proper divisors (2812987).

486616649 is a wasteful number, since it uses less digits than its factorization.

486616649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812986.

The product of its digits is 1492992, while the sum is 50.

The square root of 486616649 is about 22059.3891347879. The cubic root of 486616649 is about 786.5548039694.

The spelling of 486616649 in words is "four hundred eighty-six million, six hundred sixteen thousand, six hundred forty-nine".