7986973 has 4 divisors (see below), whose sum is σ = 8407360. Its totient is φ = 7566588.

The previous prime is 7986959. The next prime is 7986997. The reversal of 7986973 is 3796897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3796897 = 13 ⋅292069.

It is a cyclic number.

It is not a de Polignac number, because 7986973 - 2¹³ = 7978781 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 9³ + 8⁷ + 6⁷ + 9⁷ + 7⁷ + 3⁵ .

It is a Duffinian number.

7986973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989973) 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, 210165 + ... + 210202.

It is an arithmetic number, because the mean of its divisors is an integer number (2101840).

Almost surely, 2^7986973 is an apocalyptic number.

It is an amenable number.

7986973 is a deficient number, since it is larger than the sum of its proper divisors (420387).

7986973 is a wasteful number, since it uses less digits than its factorization.

7986973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420386.

The product of its digits is 571536, while the sum is 49.

The square root of 7986973 is about 2826.1233164885. The cubic root of 7986973 is about 199.8913826887.

The spelling of 7986973 in words is "seven million, nine hundred eighty-six thousand, nine hundred seventy-three".