490927538 has 8 divisors (see below), whose sum is σ = 740207388. Its totient is φ = 244191744.

The previous prime is 490927537. The next prime is 490927553. The reversal of 490927538 is 835729094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 431683729 + 59243809 = 20777^2 + 7697^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 490927492 and 490927501.

It is not an unprimeable number, because it can be changed into a prime (490927531) 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, 635531 + ... + 636302.

Almost surely, 2^490927538 is an apocalyptic number.

490927538 is a deficient number, since it is larger than the sum of its proper divisors (249279850).

490927538 is a wasteful number, since it uses less digits than its factorization.

490927538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272028.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 490927538 is about 22156.8846636886. The cubic root of 490927538 is about 788.8706492892.

The spelling of 490927538 in words is "four hundred ninety million, nine hundred twenty-seven thousand, five hundred thirty-eight".