2678801 has 4 divisors (see below), whose sum is σ = 2690532. Its totient is φ = 2667072.

The previous prime is 2678789. The next prime is 2678807. The reversal of 2678801 is 1088762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1050625 + 1628176 = 1025^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678801 - 2⁶ = 2678737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2678807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (672633).

2^2678801 is an apocalyptic number.

It is an amenable number.

2678801 is a deficient number, since it is larger than the sum of its proper divisors (11731).

2678801 is a wasteful number, since it uses less digits than its factorization.

2678801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11730.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2678801 is about 1636.7043104972. The cubic root of 2678801 is about 138.8822735575.

The spelling of 2678801 in words is "two million, six hundred seventy-eight thousand, eight hundred one".