7009988 has 6 divisors (see below), whose sum is σ = 12267486. Its totient is φ = 3504992.

The previous prime is 7009979. The next prime is 7009991. The reversal of 7009988 is 8899007.

It can be written as a sum of positive squares in only one way, i.e., 4194304 + 2815684 = 2048^2 + 1678^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 876245 + ... + 876252.

It is an arithmetic number, because the mean of its divisors is an integer number (2044581).

Almost surely, 2^7009988 is an apocalyptic number.

It is an amenable number.

7009988 is a deficient number, since it is larger than the sum of its proper divisors (5257498).

7009988 is a wasteful number, since it uses less digits than its factorization.

7009988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752501 (or 1752499 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 7009988 is about 2647.6381928051. The cubic root of 7009988 is about 191.3840576892.

It can be divided in two parts, 7009 and 988, that added together give a palindrome (7997).

The spelling of 7009988 in words is "seven million, nine thousand, nine hundred eighty-eight".