7989946 has 8 divisors (see below), whose sum is σ = 12038400. Its totient is φ = 3977148.

The previous prime is 7989929. The next prime is 7989973. The reversal of 7989946 is 6499897.

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

It is a junction number, because it is equal to n+sod(n) for n = 7989893 and 7989902.

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, 8346 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (1504800).

Almost surely, 2^7989946 is an apocalyptic number.

7989946 is a deficient number, since it is larger than the sum of its proper divisors (4048454).

7989946 is a wasteful number, since it uses less digits than its factorization.

7989946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17828.

The product of its digits is 979776, while the sum is 52.

The square root of 7989946 is about 2826.6492530910. The cubic root of 7989946 is about 199.9161815439.

The spelling of 7989946 in words is "seven million, nine hundred eighty-nine thousand, nine hundred forty-six".