9973955 has 16 divisors (see below), whose sum is σ = 12794880. Its totient is φ = 7441632.

The previous prime is 9973933. The next prime is 9973967. The reversal of 9973955 is 5593799.

It is a cyclic number.

It is not a de Polignac number, because 9973955 - 2¹² = 9969859 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5582 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (799680).

Almost surely, 2^9973955 is an apocalyptic number.

9973955 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9973955 is a deficient number, since it is larger than the sum of its proper divisors (2820925).

9973955 is a wasteful number, since it uses less digits than its factorization.

9973955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its digits is 382725, while the sum is 47.

The square root of 9973955 is about 3158.1568992056. The cubic root of 9973955 is about 215.2562655469.

The spelling of 9973955 in words is "nine million, nine hundred seventy-three thousand, nine hundred fifty-five".