7986000 has 160 divisors (see below), whose sum is σ = 28319616. Its totient is φ = 1936000.

The previous prime is 7985983. The next prime is 7986001. The reversal of 7986000 is 6897.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7986001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725995 + ... + 726005.

Almost surely, 2^7986000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7986000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14159808).

7986000 is an abundant number, since it is smaller than the sum of its proper divisors (20333616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7986000 is a wasteful number, since it uses less digits than its factorization.

7986000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7986000 is about 2825.9511673063. The cubic root of 7986000 is about 199.8832652115.

The spelling of 7986000 in words is "seven million, nine hundred eighty-six thousand".