9993403 has 6 divisors (see below), whose sum is σ = 11625036. Its totient is φ = 8565732.

The previous prime is 9993397. The next prime is 9993407. The reversal of 9993403 is 3043999.

It is not a de Polignac number, because 9993403 - 2⁹ = 9992891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9993407) 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, 101925 + ... + 102022.

It is an arithmetic number, because the mean of its divisors is an integer number (1937506).

Almost surely, 2^9993403 is an apocalyptic number.

9993403 is a deficient number, since it is larger than the sum of its proper divisors (1631633).

9993403 is a wasteful number, since it uses less digits than its factorization.

9993403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203961 (or 203954 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9993403 is about 3161.2344107959. The cubic root of 9993403 is about 215.3960825625.

The spelling of 9993403 in words is "nine million, nine hundred ninety-three thousand, four hundred three".