2678459 has 8 divisors (see below), whose sum is σ = 3107328. Its totient is φ = 2261160.

The previous prime is 2678447. The next prime is 2678471. The reversal of 2678459 is 9548762.

It is an interprime number because it is at equal distance from previous prime (2678447) and next prime (2678471).

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

It is a cyclic number.

It is not a de Polignac number, because 2678459 - 2¹² = 2674363 is a prime.

It is a super-2 number, since 2×2678459² = 14348285229362, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 6⁶ + 7² + 8⁷ + 4 + 5⁵ + 9⁶ .

It is not an unprimeable number, because it can be changed into a prime (2678359) 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, 2387 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (388416).

2^2678459 is an apocalyptic number.

2678459 is a deficient number, since it is larger than the sum of its proper divisors (428869).

2678459 is an equidigital number, since it uses as much as digits as its factorization.

2678459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785.

The product of its digits is 120960, while the sum is 41.

The square root of 2678459 is about 1636.5998289136. The cubic root of 2678459 is about 138.8763629830.

The spelling of 2678459 in words is "two million, six hundred seventy-eight thousand, four hundred fifty-nine".