2678091 has 8 divisors (see below), whose sum is σ = 3845520. Its totient is φ = 1648032.

The previous prime is 2678047. The next prime is 2678101. The reversal of 2678091 is 1908762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2678091 - 2⁷ = 2677963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2678041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34296 + ... + 34373.

It is an arithmetic number, because the mean of its divisors is an integer number (480690).

2^2678091 is an apocalyptic number.

2678091 is a deficient number, since it is larger than the sum of its proper divisors (1167429).

2678091 is a wasteful number, since it uses less digits than its factorization.

2678091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68685.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2678091 is about 1636.4873968351. The cubic root of 2678091 is about 138.8700025045.

The spelling of 2678091 in words is "two million, six hundred seventy-eight thousand, ninety-one".