9649646 has 8 divisors (see below), whose sum is σ = 14487744. Its totient is φ = 4820400.

The previous prime is 9649639. The next prime is 9649667. The reversal of 9649646 is 6469469.

It is a happy number.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9649597 and 9649606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (1810968).

Almost surely, 2^9649646 is an apocalyptic number.

9649646 is a deficient number, since it is larger than the sum of its proper divisors (4838098).

9649646 is a wasteful number, since it uses less digits than its factorization.

9649646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426.

The product of its digits is 279936, while the sum is 44.

The square root of 9649646 is about 3106.3879345632. The cubic root of 9649646 is about 212.8974503963.

The spelling of 9649646 in words is "nine million, six hundred forty-nine thousand, six hundred forty-six".