9739966 has 8 divisors (see below), whose sum is σ = 14703480. Its totient is φ = 4838808.

The previous prime is 9739949. The next prime is 9739979. The reversal of 9739966 is 6699379.

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

It is an Ulam number.

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, 15196 + ... + 15823.

It is an arithmetic number, because the mean of its divisors is an integer number (1837935).

Almost surely, 2^9739966 is an apocalyptic number.

9739966 is a deficient number, since it is larger than the sum of its proper divisors (4963514).

9739966 is a wasteful number, since it uses less digits than its factorization.

9739966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31178.

The product of its digits is 551124, while the sum is 49.

The square root of 9739966 is about 3120.8918597093. The cubic root of 9739966 is about 213.5596237045.

The spelling of 9739966 in words is "nine million, seven hundred thirty-nine thousand, nine hundred sixty-six".