7966489 has 8 divisors (see below), whose sum is σ = 8473248. Its totient is φ = 7464000.

The previous prime is 7966463. The next prime is 7966493. The reversal of 7966489 is 9846697.

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

It is a cyclic number.

It is not a de Polignac number, because 7966489 - 2⁵ = 7966457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7966429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (1059156).

Almost surely, 2^7966489 is an apocalyptic number.

It is an amenable number.

7966489 is a deficient number, since it is larger than the sum of its proper divisors (506759).

7966489 is a wasteful number, since it uses less digits than its factorization.

7966489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 653184, while the sum is 49.

The square root of 7966489 is about 2822.4969441968. The cubic root of 7966489 is about 199.7203508306.

The spelling of 7966489 in words is "seven million, nine hundred sixty-six thousand, four hundred eighty-nine".