9739942 has 8 divisors (see below), whose sum is σ = 14666256. Its totient is φ = 4851192.

The previous prime is 9739937. The next prime is 9739949. The reversal of 9739942 is 2499379.

9739942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9739949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8733 + ... + 9784.

It is an arithmetic number, because the mean of its divisors is an integer number (1833282).

Almost surely, 2^9739942 is an apocalyptic number.

9739942 is a deficient number, since it is larger than the sum of its proper divisors (4926314).

9739942 is a wasteful number, since it uses less digits than its factorization.

9739942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18782.

The product of its digits is 122472, while the sum is 43.

The square root of 9739942 is about 3120.8880146522. Note that the first 3 decimals coincide. The cubic root of 9739942 is about 213.5594482955.

The spelling of 9739942 in words is "nine million, seven hundred thirty-nine thousand, nine hundred forty-two".