7986993 has 8 divisors (see below), whose sum is σ = 12170688. Its totient is φ = 4563984.

The previous prime is 7986959. The next prime is 7986997. The reversal of 7986993 is 3996897.

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

It is not a de Polignac number, because 7986993 - 2¹⁶ = 7921457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7986997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190146 + ... + 190187.

It is an arithmetic number, because the mean of its divisors is an integer number (1521336).

Almost surely, 2^7986993 is an apocalyptic number.

It is an amenable number.

7986993 is a deficient number, since it is larger than the sum of its proper divisors (4183695).

7986993 is a wasteful number, since it uses less digits than its factorization.

7986993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380343.

The product of its digits is 734832, while the sum is 51.

The square root of 7986993 is about 2826.1268549023. The cubic root of 7986993 is about 199.8915495364.

The spelling of 7986993 in words is "seven million, nine hundred eighty-six thousand, nine hundred ninety-three".