9993953 has 4 divisors (see below), whose sum is σ = 10007088. Its totient is φ = 9980820.

The previous prime is 9993941. The next prime is 9993967. The reversal of 9993953 is 3593999.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3593999 = 29 ⋅123931.

It is a cyclic number.

It is not a de Polignac number, because 9993953 - 2²² = 5799649 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 = 9993898 and 9993907.

It is not an unprimeable number, because it can be changed into a prime (9993913) 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 3 ways as a sum of consecutive naturals, for example, 5351 + ... + 6972.

It is an arithmetic number, because the mean of its divisors is an integer number (2501772).

Almost surely, 2^9993953 is an apocalyptic number.

It is an amenable number.

9993953 is a deficient number, since it is larger than the sum of its proper divisors (13135).

9993953 is a wasteful number, since it uses less digits than its factorization.

9993953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134.

The product of its digits is 295245, while the sum is 47.

The square root of 9993953 is about 3161.3214009335. The cubic root of 9993953 is about 215.4000340251.

The spelling of 9993953 in words is "nine million, nine hundred ninety-three thousand, nine hundred fifty-three".