490777 has 4 divisors (see below), whose sum is σ = 560896. Its totient is φ = 420660.

The previous prime is 490771. The next prime is 490783. The reversal of 490777 is 777094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (490771) and next prime (490783).

It is a cyclic number.

It is not a de Polignac number, because 490777 - 2³ = 490769 is a prime.

490777 is a modest number, since divided by 777 gives 490 as remainder.

It is not an unprimeable number, because it can be changed into a prime (490771) 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, 35049 + ... + 35062.

It is an arithmetic number, because the mean of its divisors is an integer number (140224).

2⁴⁹⁰⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

490777 is a deficient number, since it is larger than the sum of its proper divisors (70119).

490777 is an equidigital number, since it uses as much as digits as its factorization.

490777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70118.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 490777 is about 700.5547801564. The cubic root of 490777 is about 78.8790007958.

The spelling of 490777 in words is "four hundred ninety thousand, seven hundred seventy-seven".