9579649 has 2 divisors, whose sum is σ = 9579650. Its totient is φ = 9579648.

The previous prime is 9579643. The next prime is 9579659. The reversal of 9579649 is 9469759.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 1140624 = 2905^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 9579649 - 2³ = 9579641 is a prime.

It is not a weakly prime, because it can be changed into another prime (9579641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4789824 + 4789825.

It is an arithmetic number, because the mean of its divisors is an integer number (4789825).

Almost surely, 2^9579649 is an apocalyptic number.

It is an amenable number.

9579649 is a deficient number, since it is larger than the sum of its proper divisors (1).

9579649 is an equidigital number, since it uses as much as digits as its factorization.

9579649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 49.

The square root of 9579649 is about 3095.1008061128. The cubic root of 9579649 is about 212.3814258900.

The spelling of 9579649 in words is "nine million, five hundred seventy-nine thousand, six hundred forty-nine".