6881956 has 12 divisors (see below), whose sum is σ = 12168268. Its totient is φ = 3405312.

The previous prime is 6881951. The next prime is 6881977. The reversal of 6881956 is 6591886.

It can be written as a sum of positive squares in 2 ways, for example, as 4691556 + 2190400 = 2166^2 + 1480^2 .

It is a super-2 number, since 2×6881956² = 94722636771872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8481 + ... + 9256.

Almost surely, 2^6881956 is an apocalyptic number.

It is an amenable number.

6881956 is a deficient number, since it is larger than the sum of its proper divisors (5286312).

6881956 is a wasteful number, since it uses less digits than its factorization.

6881956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838 (or 17836 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 6881956 is about 2623.3482422279. The cubic root of 6881956 is about 190.2117307245.

The spelling of 6881956 in words is "six million, eight hundred eighty-one thousand, nine hundred fifty-six".