7941398 has 8 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 3949720.

The previous prime is 7941391. The next prime is 7941419. The reversal of 7941398 is 8931497.

It is a happy number.

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 (7941391) 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, 10013 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^7941398 is an apocalyptic number.

7941398 is a deficient number, since it is larger than the sum of its proper divisors (4033642).

7941398 is a wasteful number, since it uses less digits than its factorization.

7941398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982.

The product of its digits is 54432, while the sum is 41.

The square root of 7941398 is about 2818.0486156204. The cubic root of 7941398 is about 199.5104526949.

Subtracting 7941398 from its reverse (8931497), we obtain a palindrome (990099).

The spelling of 7941398 in words is "seven million, nine hundred forty-one thousand, three hundred ninety-eight".