2689894 has 4 divisors (see below), whose sum is σ = 4034844. Its totient is φ = 1344946.

The previous prime is 2689891. The next prime is 2689903. The reversal of 2689894 is 4989862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4989862 = 2 ⋅2494931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672472 + ... + 672475.

It is an arithmetic number, because the mean of its divisors is an integer number (1008711).

2^2689894 is an apocalyptic number.

2689894 is a deficient number, since it is larger than the sum of its proper divisors (1344950).

2689894 is a wasteful number, since it uses less digits than its factorization.

2689894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344949.

The product of its digits is 248832, while the sum is 46.

The square root of 2689894 is about 1640.0896316970. The cubic root of 2689894 is about 139.0737148469.

Subtracting 2689894 from its reverse (4989862), we obtain a cube (2299968 = 132³).

The spelling of 2689894 in words is "two million, six hundred eighty-nine thousand, eight hundred ninety-four".