7949198386 has 8 divisors (see below), whose sum is σ = 11980309104. Its totient is φ = 3955762020.

The previous prime is 7949198377. The next prime is 7949198399. The reversal of 7949198386 is 6838919497.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9418060 + ... + 9418903.

It is an arithmetic number, because the mean of its divisors is an integer number (1497538638).

Almost surely, 2^7949198386 is an apocalyptic number.

7949198386 is a deficient number, since it is larger than the sum of its proper divisors (4031110718).

7949198386 is a wasteful number, since it uses less digits than its factorization.

7949198386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837176.

The product of its digits is 23514624, while the sum is 64.

The square root of 7949198386 is about 89158.2771592184. The cubic root of 7949198386 is about 1995.7575392934.

The spelling of 7949198386 in words is "seven billion, nine hundred forty-nine million, one hundred ninety-eight thousand, three hundred eighty-six".