9625661 has 8 divisors (see below), whose sum is σ = 10316544. Its totient is φ = 8957520.

The previous prime is 9625657. The next prime is 9625663. The reversal of 9625661 is 1665269.

It is a happy number.

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 9625661 - 2² = 9625657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9625663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4805 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (1289568).

Almost surely, 2^9625661 is an apocalyptic number.

It is an amenable number.

9625661 is a deficient number, since it is larger than the sum of its proper divisors (690883).

9625661 is a wasteful number, since it uses less digits than its factorization.

9625661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371.

The product of its digits is 19440, while the sum is 35.

The square root of 9625661 is about 3102.5249394646. The cubic root of 9625661 is about 212.7209125921.

The spelling of 9625661 in words is "nine million, six hundred twenty-five thousand, six hundred sixty-one".