7995998 has 8 divisors (see below), whose sum is σ = 12625320. Its totient is φ = 3787560.

The previous prime is 7995991. The next prime is 7996031. The reversal of 7995998 is 8995997.

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 (7995991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105173 + ... + 105248.

It is an arithmetic number, because the mean of its divisors is an integer number (1578165).

Almost surely, 2^7995998 is an apocalyptic number.

7995998 is a deficient number, since it is larger than the sum of its proper divisors (4629322).

7995998 is a wasteful number, since it uses less digits than its factorization.

7995998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210442.

The product of its digits is 1837080, while the sum is 56.

The square root of 7995998 is about 2827.7195759127. The cubic root of 7995998 is about 199.9666444373.

Subtracting 7995998 from its reverse (8995997), we obtain a palindrome (999999).

The spelling of 7995998 in words is "seven million, nine hundred ninety-five thousand, nine hundred ninety-eight".