8087649 has 4 divisors (see below), whose sum is σ = 10783536. Its totient is φ = 5391764.

The previous prime is 8087647. The next prime is 8087659. The reversal of 8087649 is 9467808.

It is a happy number.

8087649 is digitally balanced in base 3, 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 8087649 - 2¹ = 8087647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8087649.

It is not an unprimeable number, because it can be changed into a prime (8087647) 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, 1347939 + ... + 1347944.

It is an arithmetic number, because the mean of its divisors is an integer number (2695884).

Almost surely, 2^8087649 is an apocalyptic number.

It is an amenable number.

8087649 is a deficient number, since it is larger than the sum of its proper divisors (2695887).

8087649 is a wasteful number, since it uses less digits than its factorization.

8087649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695886.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8087649 is about 2843.8792168445. The cubic root of 8087649 is about 200.7277569703.

The spelling of 8087649 in words is "eight million, eighty-seven thousand, six hundred forty-nine".