8935661 has 8 divisors (see below), whose sum is σ = 10656384. Its totient is φ = 7326000.

The previous prime is 8935651. The next prime is 8935691. The reversal of 8935661 is 1665398.

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 8935661 - 2¹⁰ = 8934637 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 (8935601) 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, 27590 + ... + 27911.

It is an arithmetic number, because the mean of its divisors is an integer number (1332048).

Almost surely, 2^8935661 is an apocalyptic number.

It is an amenable number.

8935661 is a deficient number, since it is larger than the sum of its proper divisors (1720723).

8935661 is a wasteful number, since it uses less digits than its factorization.

8935661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55531.

The product of its digits is 38880, while the sum is 38.

The square root of 8935661 is about 2989.2576001409. The cubic root of 8935661 is about 207.5115278833.

The spelling of 8935661 in words is "eight million, nine hundred thirty-five thousand, six hundred sixty-one".