6874890 has 64 divisors (see below), whose sum is σ = 18289152. Its totient is φ = 1640000.

The previous prime is 6874877. The next prime is 6874909. The reversal of 6874890 is 984786.

It is a happy number.

It is a super-2 number, since 2×6874890² = 94528225024200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27265 + ... + 27515.

It is an arithmetic number, because the mean of its divisors is an integer number (285768).

Almost surely, 2^6874890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6874890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9144576).

6874890 is an abundant number, since it is smaller than the sum of its proper divisors (11414262).

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

6874890 is a wasteful number, since it uses less digits than its factorization.

6874890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 6874890 is about 2622.0011441645. The cubic root of 6874890 is about 190.1466089120.

The spelling of 6874890 in words is "six million, eight hundred seventy-four thousand, eight hundred ninety".