490493547 has 24 divisors (see below), whose sum is σ = 715650000. Its totient is φ = 323707968.

The previous prime is 490493543. The next prime is 490493581. The reversal of 490493547 is 745394094.

It is a happy number.

It is not a de Polignac number, because 490493547 - 2² = 490493543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490493543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668793 + ... + 669525.

It is an arithmetic number, because the mean of its divisors is an integer number (29818750).

Almost surely, 2^490493547 is an apocalyptic number.

490493547 is a deficient number, since it is larger than the sum of its proper divisors (225156453).

490493547 is a wasteful number, since it uses less digits than its factorization.

490493547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 490493547 is about 22147.0889057682. The cubic root of 490493547 is about 788.6381209488.

The spelling of 490493547 in words is "four hundred ninety million, four hundred ninety-three thousand, five hundred forty-seven".