2689455 has 16 divisors (see below), whose sum is σ = 4330080. Its totient is φ = 1425408.

The previous prime is 2689439. The next prime is 2689457. The reversal of 2689455 is 5549862.

2689455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2689455 - 2⁴ = 2689439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431 + ... + 3359.

It is an arithmetic number, because the mean of its divisors is an integer number (270630).

2^2689455 is an apocalyptic number.

2689455 is a deficient number, since it is larger than the sum of its proper divisors (1640625).

2689455 is a wasteful number, since it uses less digits than its factorization.

2689455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130.

The product of its digits is 86400, while the sum is 39.

The square root of 2689455 is about 1639.9557920871. The cubic root of 2689455 is about 139.0661486649.

The spelling of 2689455 in words is "two million, six hundred eighty-nine thousand, four hundred fifty-five".