2689598 has 4 divisors (see below), whose sum is σ = 4034400. Its totient is φ = 1344798.

The previous prime is 2689573. The next prime is 2689601. The reversal of 2689598 is 8959862.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672398 + ... + 672401.

It is an arithmetic number, because the mean of its divisors is an integer number (1008600).

2^2689598 is an apocalyptic number.

2689598 is a deficient number, since it is larger than the sum of its proper divisors (1344802).

2689598 is a wasteful number, since it uses less digits than its factorization.

2689598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344801.

The product of its digits is 311040, while the sum is 47.

The square root of 2689598 is about 1639.9993902438. Note that the first 3 decimals coincide. The cubic root of 2689598 is about 139.0686133659.

The spelling of 2689598 in words is "two million, six hundred eighty-nine thousand, five hundred ninety-eight".