9977441 has 4 divisors (see below), whose sum is σ = 9984000. Its totient is φ = 9970884.

The previous prime is 9977437. The next prime is 9977447. The reversal of 9977441 is 1447799.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9977441 - 2² = 9977437 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9977447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320 + ... + 4478.

It is an arithmetic number, because the mean of its divisors is an integer number (2496000).

Almost surely, 2^9977441 is an apocalyptic number.

It is an amenable number.

9977441 is a deficient number, since it is larger than the sum of its proper divisors (6559).

9977441 is a wasteful number, since it uses less digits than its factorization.

9977441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558.

The product of its digits is 63504, while the sum is 41.

The square root of 9977441 is about 3158.7087551720. The cubic root of 9977441 is about 215.2813407197.

The spelling of 9977441 in words is "nine million, nine hundred seventy-seven thousand, four hundred forty-one".