9969946 has 32 divisors (see below), whose sum is σ = 18495360. Its totient is φ = 3934656.

The previous prime is 9969943. The next prime is 9969959. The reversal of 9969946 is 6499699.

It is a junction number, because it is equal to n+sod(n) for n = 9969893 and 9969902.

It is not an unprimeable number, because it can be changed into a prime (9969943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9336 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (577980).

Almost surely, 2^9969946 is an apocalyptic number.

9969946 is a deficient number, since it is larger than the sum of its proper divisors (8525414).

9969946 is a wasteful number, since it uses less digits than its factorization.

9969946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its digits is 944784, while the sum is 52.

The square root of 9969946 is about 3157.5221297720. The cubic root of 9969946 is about 215.2274211544.

The spelling of 9969946 in words is "nine million, nine hundred sixty-nine thousand, nine hundred forty-six".