9977489 has 8 divisors (see below), whose sum is σ = 10727040. Its totient is φ = 9250416.

The previous prime is 9977483. The next prime is 9977503. The reversal of 9977489 is 9847799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9977489 - 2¹² = 9973393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9977489.

It is not an unprimeable number, because it can be changed into a prime (9977483) 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 7 ways as a sum of consecutive naturals, for example, 4694 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (1340880).

Almost surely, 2^9977489 is an apocalyptic number.

It is an amenable number.

9977489 is a deficient number, since it is larger than the sum of its proper divisors (749551).

9977489 is a wasteful number, since it uses less digits than its factorization.

9977489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239.

The product of its digits is 1143072, while the sum is 53.

The square root of 9977489 is about 3158.7163532043. The cubic root of 9977489 is about 215.2816859481.

The spelling of 9977489 in words is "nine million, nine hundred seventy-seven thousand, four hundred eighty-nine".