8713649 has 8 divisors (see below), whose sum is σ = 10190400. Its totient is φ = 7294896.

The previous prime is 8713643. The next prime is 8713693. The reversal of 8713649 is 9463178.

8713649 = T₁₂₀ + T₁₂₁ + ... + T₃₇₇.

8713649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8713649 - 2¹² = 8709553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8713643) 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, 14174 + ... + 14775.

It is an arithmetic number, because the mean of its divisors is an integer number (1273800).

Almost surely, 2^8713649 is an apocalyptic number.

It is an amenable number.

8713649 is a deficient number, since it is larger than the sum of its proper divisors (1476751).

8713649 is a wasteful number, since it uses less digits than its factorization.

8713649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28999.

The product of its digits is 36288, while the sum is 38.

The square root of 8713649 is about 2951.8890561808. The cubic root of 8713649 is about 205.7785111182.

The spelling of 8713649 in words is "eight million, seven hundred thirteen thousand, six hundred forty-nine".