486743781 has 16 divisors (see below), whose sum is σ = 654471360. Its totient is φ = 321767040.

The previous prime is 486743773. The next prime is 486743783. The reversal of 486743781 is 187347684.

It is not a de Polignac number, because 486743781 - 2³ = 486743773 is a prime.

It is a super-2 number, since 2×486743781² = 473839016684351922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 486743781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486743783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225001 + ... + 227153.

It is an arithmetic number, because the mean of its divisors is an integer number (40904460).

Almost surely, 2^486743781 is an apocalyptic number.

It is an amenable number.

486743781 is a deficient number, since it is larger than the sum of its proper divisors (167727579).

486743781 is a wasteful number, since it uses less digits than its factorization.

486743781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its digits is 903168, while the sum is 48.

The square root of 486743781 is about 22062.2705313846. The cubic root of 486743781 is about 786.6232956514.

The spelling of 486743781 in words is "four hundred eighty-six million, seven hundred forty-three thousand, seven hundred eighty-one".