490805773 has 8 divisors (see below), whose sum is σ = 509155200. Its totient is φ = 472551408.

The previous prime is 490805767. The next prime is 490805797. The reversal of 490805773 is 377508094.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 490805773 - 2⁹ = 490805261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490805713) 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, 13161 + ... + 33982.

It is an arithmetic number, because the mean of its divisors is an integer number (63644400).

Almost surely, 2^490805773 is an apocalyptic number.

It is an amenable number.

490805773 is a deficient number, since it is larger than the sum of its proper divisors (18349427).

490805773 is a wasteful number, since it uses less digits than its factorization.

490805773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47531.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 490805773 is about 22154.1367017539. The cubic root of 490805773 is about 788.8054225704.

The spelling of 490805773 in words is "four hundred ninety million, eight hundred five thousand, seven hundred seventy-three".