2689305 has 8 divisors (see below), whose sum is σ = 4302912. Its totient is φ = 1434288.

The previous prime is 2689303. The next prime is 2689333. The reversal of 2689305 is 5039862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2689305 - 2¹ = 2689303 is a prime.

It is a super-2 number, since 2×2689305² = 14464722766050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2689303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89629 + ... + 89658.

It is an arithmetic number, because the mean of its divisors is an integer number (537864).

2^2689305 is an apocalyptic number.

It is an amenable number.

2689305 is a deficient number, since it is larger than the sum of its proper divisors (1613607).

2689305 is a wasteful number, since it uses less digits than its factorization.

2689305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179295.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2689305 is about 1639.9100585093. The cubic root of 2689305 is about 139.0635632204.

The spelling of 2689305 in words is "two million, six hundred eighty-nine thousand, three hundred five".