7934398 has 8 divisors (see below), whose sum is σ = 11987640. Its totient is φ = 3938520.

The previous prime is 7934389. The next prime is 7934413. The reversal of 7934398 is 8934397.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13993 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (1498455).

Almost surely, 2^7934398 is an apocalyptic number.

7934398 is a deficient number, since it is larger than the sum of its proper divisors (4053242).

7934398 is a wasteful number, since it uses less digits than its factorization.

7934398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28682.

The product of its digits is 163296, while the sum is 43.

The square root of 7934398 is about 2816.8063476214. The cubic root of 7934398 is about 199.4518155083.

Subtracting 7934398 from its reverse (8934397), we obtain a palindrome (999999).

The spelling of 7934398 in words is "seven million, nine hundred thirty-four thousand, three hundred ninety-eight".