9953973 has 6 divisors (see below), whose sum is σ = 14377974. Its totient is φ = 6635976.

The previous prime is 9953953. The next prime is 9954001. The reversal of 9953973 is 3793599.

It can be written as a sum of positive squares in only one way, i.e., 9847044 + 106929 = 3138^2 + 327^2 .

It is not a de Polignac number, because 9953973 - 2⁸ = 9953717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9953903) 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, 552990 + ... + 553007.

It is an arithmetic number, because the mean of its divisors is an integer number (2396329).

Almost surely, 2^9953973 is an apocalyptic number.

It is an amenable number.

9953973 is a deficient number, since it is larger than the sum of its proper divisors (4424001).

9953973 is a wasteful number, since it uses less digits than its factorization.

9953973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106003 (or 1106000 counting only the distinct ones).

The product of its digits is 229635, while the sum is 45.

The square root of 9953973 is about 3154.9917591018. The cubic root of 9953973 is about 215.1124200245.

The spelling of 9953973 in words is "nine million, nine hundred fifty-three thousand, nine hundred seventy-three".