9087661 has 4 divisors (see below), whose sum is σ = 9913824. Its totient is φ = 8261500.

The previous prime is 9087647. The next prime is 9087667. The reversal of 9087661 is 1667809.

9087661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9087661 - 2⁵ = 9087629 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 9087661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9087667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413065 + ... + 413086.

It is an arithmetic number, because the mean of its divisors is an integer number (2478456).

Almost surely, 2^9087661 is an apocalyptic number.

It is an amenable number.

9087661 is a deficient number, since it is larger than the sum of its proper divisors (826163).

9087661 is a wasteful number, since it uses less digits than its factorization.

9087661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826162.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9087661 is about 3014.5747627153. The cubic root of 9087661 is about 208.6815430446.

The spelling of 9087661 in words is "nine million, eighty-seven thousand, six hundred sixty-one".