7649289 has 16 divisors (see below), whose sum is σ = 11375040. Its totient is φ = 5080320.

The previous prime is 7649273. The next prime is 7649311. The reversal of 7649289 is 9829467.

It is a happy number.

It is not a de Polignac number, because 7649289 - 2⁴ = 7649273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7649209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12969 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (710940).

Almost surely, 2^7649289 is an apocalyptic number.

It is an amenable number.

7649289 is a deficient number, since it is larger than the sum of its proper divisors (3725751).

7649289 is a wasteful number, since it uses less digits than its factorization.

7649289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1071 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 7649289 is about 2765.7348029050. The cubic root of 7649289 is about 197.0336290688.

The spelling of 7649289 in words is "seven million, six hundred forty-nine thousand, two hundred eighty-nine".