490766 has 4 divisors (see below), whose sum is σ = 736152. Its totient is φ = 245382.

The previous prime is 490741. The next prime is 490769. The reversal of 490766 is 667094.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122690 + ... + 122693.

It is an arithmetic number, because the mean of its divisors is an integer number (184038).

2⁴⁹⁰⁷⁶⁶ is an apocalyptic number.

490766 is a deficient number, since it is larger than the sum of its proper divisors (245386).

490766 is a wasteful number, since it uses less digits than its factorization.

490766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245385.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 490766 is about 700.5469291918. The cubic root of 490766 is about 78.8784114749.

The spelling of 490766 in words is "four hundred ninety thousand, seven hundred sixty-six".