2681955 has 24 divisors (see below), whose sum is σ = 4700592. Its totient is φ = 1414464.

The previous prime is 2681951. The next prime is 2681969. The reversal of 2681955 is 5591862.

It is a happy number.

2681955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2681955 - 2² = 2681951 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (21600) is a multiple of the sum of its prime factors (675).

It is not an unprimeable number, because it can be changed into a prime (2681951) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4537 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (195858).

2^2681955 is an apocalyptic number.

2681955 is a deficient number, since it is larger than the sum of its proper divisors (2018637).

2681955 is a wasteful number, since it uses less digits than its factorization.

2681955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 672 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 2681955 is about 1637.6675486801. The cubic root of 2681955 is about 138.9367584919.

The spelling of 2681955 in words is "two million, six hundred eighty-one thousand, nine hundred fifty-five".