7165986 has 16 divisors (see below), whose sum is σ = 14364000. Its totient is φ = 2383328.

The previous prime is 7165981. The next prime is 7165997. The reversal of 7165986 is 6895617.

It is not an unprimeable number, because it can be changed into a prime (7165981) 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, 2365 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^7165986 is an apocalyptic number.

7165986 is an abundant number, since it is smaller than the sum of its proper divisors (7198014).

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

7165986 is a wasteful number, since it uses less digits than its factorization.

7165986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673.

The product of its digits is 90720, while the sum is 42.

The square root of 7165986 is about 2676.9359349824. The cubic root of 7165986 is about 192.7933213081.

The spelling of 7165986 in words is "seven million, one hundred sixty-five thousand, nine hundred eighty-six".