9782661 has 8 divisors (see below), whose sum is σ = 14906944. Its totient is φ = 5590080.

The previous prime is 9782653. The next prime is 9782677. The reversal of 9782661 is 1662879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9782661 - 2³ = 9782653 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 (9782611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232900 + ... + 232941.

It is an arithmetic number, because the mean of its divisors is an integer number (1863368).

Almost surely, 2^9782661 is an apocalyptic number.

It is an amenable number.

9782661 is a deficient number, since it is larger than the sum of its proper divisors (5124283).

9782661 is a wasteful number, since it uses less digits than its factorization.

9782661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465851.

The product of its digits is 36288, while the sum is 39.

The square root of 9782661 is about 3127.7245722729. The cubic root of 9782661 is about 213.8712140364.

The spelling of 9782661 in words is "nine million, seven hundred eighty-two thousand, six hundred sixty-one".