8961489 has 8 divisors (see below), whose sum is σ = 13276320. Its totient is φ = 5974308.

The previous prime is 8961487. The next prime is 8961497. The reversal of 8961489 is 9841698.

8961489 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8961489 - 2¹ = 8961487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8961487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165927 + ... + 165980.

It is an arithmetic number, because the mean of its divisors is an integer number (1659540).

Almost surely, 2^8961489 is an apocalyptic number.

It is an amenable number.

8961489 is a deficient number, since it is larger than the sum of its proper divisors (4314831).

8961489 is a wasteful number, since it uses less digits than its factorization.

8961489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331916 (or 331910 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 8961489 is about 2993.5746190800. The cubic root of 8961489 is about 207.7112688292.

The spelling of 8961489 in words is "eight million, nine hundred sixty-one thousand, four hundred eighty-nine".