493686722 has 8 divisors (see below), whose sum is σ = 742341900. Its totient is φ = 246239424.

The previous prime is 493686703. The next prime is 493686737. The reversal of 493686722 is 227686394.

It can be written as a sum of positive squares in 2 ways, for example, as 424813321 + 68873401 = 20611^2 + 8299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300947 + ... + 302582.

Almost surely, 2^493686722 is an apocalyptic number.

493686722 is a deficient number, since it is larger than the sum of its proper divisors (248655178).

493686722 is a wasteful number, since it uses less digits than its factorization.

493686722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603940.

The product of its digits is 870912, while the sum is 47.

The square root of 493686722 is about 22219.0621314222. The cubic root of 493686722 is about 790.3457985163.

The spelling of 493686722 in words is "four hundred ninety-three million, six hundred eighty-six thousand, seven hundred twenty-two".