490805379 has 16 divisors (see below), whose sum is σ = 729052800. Its totient is φ = 326333448.

The previous prime is 490805347. The next prime is 490805401. The reversal of 490805379 is 973508094.

It is not a de Polignac number, because 490805379 - 2⁵ = 490805347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490809379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13749 + ... + 34214.

It is an arithmetic number, because the mean of its divisors is an integer number (45565800).

Almost surely, 2^490805379 is an apocalyptic number.

490805379 is a deficient number, since it is larger than the sum of its proper divisors (238247421).

490805379 is a wasteful number, since it uses less digits than its factorization.

490805379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48351 (or 48345 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 490805379 is about 22154.1278095076. The cubic root of 490805379 is about 788.8052114961.

The spelling of 490805379 in words is "four hundred ninety million, eight hundred five thousand, three hundred seventy-nine".