490477 has 8 divisors (see below), whose sum is σ = 546840. Its totient is φ = 436800.

The previous prime is 490463. The next prime is 490481. The reversal of 490477 is 774094.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 477481 = 114^2 + 691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-490477 is a prime.

It is a Duffinian number.

490477 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490417) 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, 274 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (68355).

2⁴⁹⁰⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

490477 is a deficient number, since it is larger than the sum of its proper divisors (56363).

490477 is a wasteful number, since it uses less digits than its factorization.

490477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 490477 is about 700.3406314073. The cubic root of 490477 is about 78.8629252506.

The spelling of 490477 in words is "four hundred ninety thousand, four hundred seventy-seven".