493537538 has 16 divisors (see below), whose sum is σ = 797977656. Its totient is φ = 227579520.

The previous prime is 493537501. The next prime is 493537549. The reversal of 493537538 is 835735394.

It can be written as a sum of positive squares in 4 ways, for example, as 373919569 + 119617969 = 19337^2 + 10937^2 .

It is a junction number, because it is equal to n+sod(n) for n = 493537492 and 493537501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22670 + ... + 38742.

Almost surely, 2^493537538 is an apocalyptic number.

493537538 is a deficient number, since it is larger than the sum of its proper divisors (304440118).

493537538 is a wasteful number, since it uses less digits than its factorization.

493537538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17269.

The product of its digits is 1360800, while the sum is 47.

The square root of 493537538 is about 22215.7047603717. The cubic root of 493537538 is about 790.2661806663.

The spelling of 493537538 in words is "four hundred ninety-three million, five hundred thirty-seven thousand, five hundred thirty-eight".