2678829 has 8 divisors (see below), whose sum is σ = 3759840. Its totient is φ = 1691856.

The previous prime is 2678807. The next prime is 2678831. The reversal of 2678829 is 9288762.

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 2678829 - 2¹² = 2674733 is a prime.

It is a super-2 number, since 2×2678829² = 14352249622482, which contains 22 as substring.

2678829 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678839) 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, 23442 + ... + 23555.

It is an arithmetic number, because the mean of its divisors is an integer number (469980).

2^2678829 is an apocalyptic number.

It is an amenable number.

2678829 is a deficient number, since it is larger than the sum of its proper divisors (1081011).

2678829 is a wasteful number, since it uses less digits than its factorization.

2678829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47019.

The product of its digits is 96768, while the sum is 42.

The square root of 2678829 is about 1636.7128642496. The cubic root of 2678829 is about 138.8827574419.

The spelling of 2678829 in words is "two million, six hundred seventy-eight thousand, eight hundred twenty-nine".