2678697 has 16 divisors (see below), whose sum is σ = 4535680. Its totient is φ = 1530576.

The previous prime is 2678681. The next prime is 2678699. The reversal of 2678697 is 7968762.

It is a happy number.

It is not a de Polignac number, because 2678697 - 2⁴ = 2678681 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁵ + 7³ + 8⁷ + 6⁶ + 9² + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2678699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6898 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (283480).

2^2678697 is an apocalyptic number.

2678697 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2678697 is a deficient number, since it is larger than the sum of its proper divisors (1856983).

2678697 is a wasteful number, since it uses less digits than its factorization.

2678697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14189 (or 14183 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 2678697 is about 1636.6725390254. The cubic root of 2678697 is about 138.8804762430.

It can be divided in two parts, 2678 and 697, that added together give a cube (3375 = 15³).

The spelling of 2678697 in words is "two million, six hundred seventy-eight thousand, six hundred ninety-seven".