6884990 has 24 divisors (see below), whose sum is σ = 14417352. Its totient is φ = 2360400.

The previous prime is 6884989. The next prime is 6884993. The reversal of 6884990 is 994886.

It is a d-powerful number, because it can be written as 6² + 8 + 8⁷ + 4⁶ + 9³ + 9⁷ + 0 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884993) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 6536 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (600723).

Almost surely, 2^6884990 is an apocalyptic number.

6884990 is an abundant number, since it is smaller than the sum of its proper divisors (7532362).

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

6884990 is a wasteful number, since it uses less digits than its factorization.

6884990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072 (or 14065 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 6884990 is about 2623.9264471399. The cubic root of 6884990 is about 190.2396790580.

It can be divided in two parts, 68 and 84990, that added together give a palindrome (85058).

The spelling of 6884990 in words is "six million, eight hundred eighty-four thousand, nine hundred ninety".