7648289 has 12 divisors (see below), whose sum is σ = 8682240. Its totient is φ = 6725400.

The previous prime is 7648261. The next prime is 7648309. The reversal of 7648289 is 9828467.

It is not a de Polignac number, because 7648289 - 2¹² = 7644193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7648219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2732 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (723520).

Almost surely, 2^7648289 is an apocalyptic number.

It is an amenable number.

7648289 is a deficient number, since it is larger than the sum of its proper divisors (1033951).

7648289 is a wasteful number, since it uses less digits than its factorization.

7648289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2081 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 7648289 is about 2765.5540132133. The cubic root of 7648289 is about 197.0250425533.

The spelling of 7648289 in words is "seven million, six hundred forty-eight thousand, two hundred eighty-nine".