2689801 has 4 divisors (see below), whose sum is σ = 2701204. Its totient is φ = 2678400.

The previous prime is 2689783. The next prime is 2689807. The reversal of 2689801 is 1089862.

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 853776 + 1836025 = 924^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2689801 - 2⁹ = 2689289 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2689807) 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, 5340 + ... + 5821.

It is an arithmetic number, because the mean of its divisors is an integer number (675301).

2^2689801 is an apocalyptic number.

It is an amenable number.

2689801 is a deficient number, since it is larger than the sum of its proper divisors (11403).

2689801 is a wasteful number, since it uses less digits than its factorization.

2689801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11402.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2689801 is about 1640.0612793429. The cubic root of 2689801 is about 139.0721120571.

The spelling of 2689801 in words is "two million, six hundred eighty-nine thousand, eight hundred one".