493989441 has 16 divisors (see below), whose sum is σ = 722150400. Its totient is φ = 297879120.

The previous prime is 493989439. The next prime is 493989491. The reversal of 493989441 is 144989394.

It is a happy number.

It is not a de Polignac number, because 493989441 - 2¹ = 493989439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493989421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31045 + ... + 44178.

It is an arithmetic number, because the mean of its divisors is an integer number (45134400).

Almost surely, 2^493989441 is an apocalyptic number.

It is an amenable number.

493989441 is a deficient number, since it is larger than the sum of its proper divisors (228160959).

493989441 is a wasteful number, since it uses less digits than its factorization.

493989441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75436.

The product of its digits is 1119744, while the sum is 51.

The square root of 493989441 is about 22225.8732336887. The cubic root of 493989441 is about 790.5073070156.

The spelling of 493989441 in words is "four hundred ninety-three million, nine hundred eighty-nine thousand, four hundred forty-one".