486965661 has 32 divisors (see below), whose sum is σ = 800421888. Its totient is φ = 256443840.

The previous prime is 486965657. The next prime is 486965693. The reversal of 486965661 is 166569684.

It is a happy number.

It is not a de Polignac number, because 486965661 - 2² = 486965657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486961661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241146 + ... + 243156.

It is an arithmetic number, because the mean of its divisors is an integer number (25013184).

Almost surely, 2^486965661 is an apocalyptic number.

It is an amenable number.

486965661 is a deficient number, since it is larger than the sum of its proper divisors (313456227).

486965661 is a wasteful number, since it uses less digits than its factorization.

486965661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its digits is 1866240, while the sum is 51.

The square root of 486965661 is about 22067.2984526879. The cubic root of 486965661 is about 786.7428037444.

The spelling of 486965661 in words is "four hundred eighty-six million, nine hundred sixty-five thousand, six hundred sixty-one".