6881290 has 32 divisors (see below), whose sum is σ = 13660416. Its totient is φ = 2479680.

The previous prime is 6881269. The next prime is 6881291. The reversal of 6881290 is 921886.

6881290 = T₂₆₀ + T₂₆₁ + ... + T₃₈₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4975 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 2^6881290 is an apocalyptic number.

6881290 is a deficient number, since it is larger than the sum of its proper divisors (6779126).

6881290 is a wasteful number, since it uses less digits than its factorization.

6881290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 6881290 is about 2623.2213021398. The cubic root of 6881290 is about 190.2055946251.

The spelling of 6881290 in words is "six million, eight hundred eighty-one thousand, two hundred ninety".