6955840 has 28 divisors (see below), whose sum is σ = 16564356. Its totient is φ = 2782208.

The previous prime is 6955831. The next prime is 6955841. The reversal of 6955840 is 485596.

It can be written as a sum of positive squares in 2 ways, for example, as 1272384 + 5683456 = 1128^2 + 2384^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6955840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6955841) 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, 10549 + ... + 11188.

Almost surely, 2^6955840 is an apocalyptic number.

It is an amenable number.

6955840 is an abundant number, since it is smaller than the sum of its proper divisors (9608516).

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

6955840 is a wasteful number, since it uses less digits than its factorization.

6955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21754 (or 21744 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 6955840 is about 2637.3926518439. The cubic root of 6955840 is about 190.8900073002.

The spelling of 6955840 in words is "six million, nine hundred fifty-five thousand, eight hundred forty".