7003986 has 16 divisors (see below), whose sum is σ = 15281568. Its totient is φ = 2122400.

The previous prime is 7003963. The next prime is 7003991. The reversal of 7003986 is 6893007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52995 + ... + 53126.

It is an arithmetic number, because the mean of its divisors is an integer number (955098).

Almost surely, 2^7003986 is an apocalyptic number.

7003986 is an abundant number, since it is smaller than the sum of its proper divisors (8277582).

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

7003986 is a wasteful number, since it uses less digits than its factorization.

7003986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106137.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7003986 is about 2646.5044870546. The cubic root of 7003986 is about 191.3294206433.

It can be divided in two parts, 70039 and 86, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 7003986 in words is "seven million, three thousand, nine hundred eighty-six".