490874547 has 4 divisors (see below), whose sum is σ = 654499400. Its totient is φ = 327249696.

The previous prime is 490874543. The next prime is 490874581. The reversal of 490874547 is 745478094.

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

It is not a de Polignac number, because 490874547 - 2² = 490874543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490874496 and 490874505.

It is not an unprimeable number, because it can be changed into a prime (490874543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81812422 + ... + 81812427.

It is an arithmetic number, because the mean of its divisors is an integer number (163624850).

Almost surely, 2^490874547 is an apocalyptic number.

490874547 is a deficient number, since it is larger than the sum of its proper divisors (163624853).

490874547 is a wasteful number, since it uses less digits than its factorization.

490874547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163624852.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 490874547 is about 22155.6888179989. The cubic root of 490874547 is about 788.8422645511.

The spelling of 490874547 in words is "four hundred ninety million, eight hundred seventy-four thousand, five hundred forty-seven".