9993045 has 8 divisors (see below), whose sum is σ = 15988896. Its totient is φ = 5329616.

The previous prime is 9993019. The next prime is 9993047. The reversal of 9993045 is 5403999.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9993045 - 2⁹ = 9992533 is a prime.

It is an Ulam number.

It is a Curzon number.

9993045 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9992994 and 9993012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993047) by changing a digit.

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, 333087 + ... + 333116.

It is an arithmetic number, because the mean of its divisors is an integer number (1998612).

Almost surely, 2^9993045 is an apocalyptic number.

It is an amenable number.

9993045 is a deficient number, since it is larger than the sum of its proper divisors (5995851).

9993045 is a wasteful number, since it uses less digits than its factorization.

9993045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666211.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 9993045 is about 3161.1777868383. The cubic root of 9993045 is about 215.3935104418.

The spelling of 9993045 in words is "nine million, nine hundred ninety-three thousand, forty-five".