993573441 has 81 divisors (see below), whose sum is σ = 1784551041. Its totient is φ = 531065808.

The previous prime is 993573439. The next prime is 993573463. The reversal of 993573441 is 144375399.

The square root of 993573441 is 31521.

It is a perfect power (a square), and thus also a powerful number.

993573441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 993573441 - 2¹ = 993573439 is a prime.

Its product of digits (408240) is a multiple of the sum of its prime divisors (108).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (993573241) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 12576840 + ... + 12576918.

Almost surely, 2^993573441 is an apocalyptic number.

993573441 is the 31521-st square number.

993573441 is the 15761-st centered octagonal number.

It is an amenable number.

993573441 is a deficient number, since it is larger than the sum of its proper divisors (790977600).

993573441 is a wasteful number, since it uses less digits than its factorization.

993573441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 108 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The cubic root of 993573441 is about 997.8532082498.

The spelling of 993573441 in words is "nine hundred ninety-three million, five hundred seventy-three thousand, four hundred forty-one".