6990002 has 4 divisors (see below), whose sum is σ = 10485006. Its totient is φ = 3495000.

The previous prime is 6990001. The next prime is 6990017. The reversal of 6990002 is 2000996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6145441 + 844561 = 2479^2 + 919^2 .

It is not an unprimeable number, because it can be changed into a prime (6990001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747499 + ... + 1747502.

Almost surely, 2^6990002 is an apocalyptic number.

6990002 is a deficient number, since it is larger than the sum of its proper divisors (3495004).

6990002 is a wasteful number, since it uses less digits than its factorization.

6990002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495003.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 6990002 is about 2643.8611915152. The cubic root of 6990002 is about 191.2020011403.

Adding to 6990002 its reverse (2000996), we get a palindrome (8990998).

The spelling of 6990002 in words is "six million, nine hundred ninety thousand, two".