9993141 has 6 divisors (see below), whose sum is σ = 14434550. Its totient is φ = 6662088.

The previous prime is 9993121. The next prime is 9993149. The reversal of 9993141 is 1413999.

It can be written as a sum of positive squares in only one way, i.e., 9790641 + 202500 = 3129^2 + 450^2 .

It is not a de Polignac number, because 9993141 - 2⁹ = 9992629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9993096 and 9993105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555166 + ... + 555183.

Almost surely, 2^9993141 is an apocalyptic number.

It is an amenable number.

9993141 is a deficient number, since it is larger than the sum of its proper divisors (4441409).

9993141 is a wasteful number, since it uses less digits than its factorization.

9993141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110355 (or 1110352 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 9993141 is about 3161.1929710158. The cubic root of 9993141 is about 215.3942001785.

The spelling of 9993141 in words is "nine million, nine hundred ninety-three thousand, one hundred forty-one".