6886740 has 96 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 1489536.

The previous prime is 6886739. The next prime is 6886753. The reversal of 6886740 is 476886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7549 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^6886740 is an apocalyptic number.

6886740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6886740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11612160).

6886740 is an abundant number, since it is smaller than the sum of its proper divisors (16337580).

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

6886740 is a wasteful number, since it uses less digits than its factorization.

6886740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 6886740 is about 2624.2598956658. The cubic root of 6886740 is about 190.2557958200.

It can be divided in two parts, 6886 and 740, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 6886740 in words is "six million, eight hundred eighty-six thousand, seven hundred forty".