8697646 has 4 divisors (see below), whose sum is σ = 13046472. Its totient is φ = 4348822.

The previous prime is 8697641. The next prime is 8697677. The reversal of 8697646 is 6467968.

8697646 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.

It is a junction number, because it is equal to n+sod(n) for n = 8697596 and 8697605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2174410 + ... + 2174413.

It is an arithmetic number, because the mean of its divisors is an integer number (3261618).

Almost surely, 2^8697646 is an apocalyptic number.

8697646 is a deficient number, since it is larger than the sum of its proper divisors (4348826).

8697646 is a wasteful number, since it uses less digits than its factorization.

8697646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348825.

The product of its digits is 435456, while the sum is 46.

The square root of 8697646 is about 2949.1771733824. The cubic root of 8697646 is about 205.6524601557.

It can be divided in two parts, 869 and 7646, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 8697646 in words is "eight million, six hundred ninety-seven thousand, six hundred forty-six".