9942686 has 16 divisors (see below), whose sum is σ = 16119600. Its totient is φ = 4572288.

The previous prime is 9942683. The next prime is 9942689. The reversal of 9942686 is 6862499.

It is an interprime number because it is at equal distance from previous prime (9942683) and next prime (9942689).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942683) 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, 9350 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (1007475).

Almost surely, 2^9942686 is an apocalyptic number.

9942686 is a deficient number, since it is larger than the sum of its proper divisors (6176914).

9942686 is a wasteful number, since it uses less digits than its factorization.

9942686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its digits is 186624, while the sum is 44.

The square root of 9942686 is about 3153.2024990476. The cubic root of 9942686 is about 215.0310825803.

The spelling of 9942686 in words is "nine million, nine hundred forty-two thousand, six hundred eighty-six".