9977345 has 16 divisors (see below), whose sum is σ = 13841280. Its totient is φ = 6762624.

The previous prime is 9977339. The next prime is 9977371. The reversal of 9977345 is 5437799.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9977345 - 2⁴ = 9977329 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9977296 and 9977305.

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, 1514 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (865080).

Almost surely, 2^9977345 is an apocalyptic number.

It is an amenable number.

9977345 is a deficient number, since it is larger than the sum of its proper divisors (3863935).

9977345 is a wasteful number, since it uses less digits than its factorization.

9977345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

The product of its digits is 238140, while the sum is 44.

The square root of 9977345 is about 3158.6935590525. The cubic root of 9977345 is about 215.2806502596.

The spelling of 9977345 in words is "nine million, nine hundred seventy-seven thousand, three hundred forty-five".