6990004 has 24 divisors (see below), whose sum is σ = 14432768. Its totient is φ = 2898720.

The previous prime is 6990001. The next prime is 6990017. The reversal of 6990004 is 4000996.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3159 + ... + 4894.

Almost surely, 2^6990004 is an apocalyptic number.

It is an amenable number.

6990004 is an abundant number, since it is smaller than the sum of its proper divisors (7442764).

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

6990004 is a wasteful number, since it uses less digits than its factorization.

6990004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095 (or 8093 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 6990004 is about 2643.8615697498. The cubic root of 6990004 is about 191.2020193761.

The spelling of 6990004 in words is "six million, nine hundred ninety thousand, four".