8331489 has 6 divisors (see below), whose sum is σ = 12034386. Its totient is φ = 5554320.

The previous prime is 8331473. The next prime is 8331493. The reversal of 8331489 is 9841338.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 1361889 = 2640^2 + 1167^2 .

It is not a de Polignac number, because 8331489 - 2⁴ = 8331473 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8331409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462852 + ... + 462869.

It is an arithmetic number, because the mean of its divisors is an integer number (2005731).

Almost surely, 2^8331489 is an apocalyptic number.

It is an amenable number.

8331489 is a deficient number, since it is larger than the sum of its proper divisors (3702897).

8331489 is a wasteful number, since it uses less digits than its factorization.

8331489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925727 (or 925724 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 8331489 is about 2886.4318803672. The cubic root of 8331489 is about 202.7251086051.

The spelling of 8331489 in words is "eight million, three hundred thirty-one thousand, four hundred eighty-nine".