7986794 has 4 divisors (see below), whose sum is σ = 11980194. Its totient is φ = 3993396.

The previous prime is 7986779. The next prime is 7986799. The reversal of 7986794 is 4976897.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 2765569 = 2285^2 + 1663^2 .

It is a d-powerful number, because it can be written as 7⁴ + 9³ + 8⁷ + 6⁷ + 7⁷ + 9⁷ + 4³ .

It is not an unprimeable number, because it can be changed into a prime (7986799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996697 + ... + 1996700.

Almost surely, 2^7986794 is an apocalyptic number.

7986794 is a deficient number, since it is larger than the sum of its proper divisors (3993400).

7986794 is a wasteful number, since it uses less digits than its factorization.

7986794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993399.

The product of its digits is 762048, while the sum is 50.

The square root of 7986794 is about 2826.0916474877. The cubic root of 7986794 is about 199.8898893894.

The spelling of 7986794 in words is "seven million, nine hundred eighty-six thousand, seven hundred ninety-four".