2678830 has 64 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 823200.

The previous prime is 2678807. The next prime is 2678831. The reversal of 2678830 is 388762.

It is a happy number.

It is a super-2 number, since 2×2678830² = 14352260337800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37695 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2^2678830 is an apocalyptic number.

2678830 is an abundant number, since it is smaller than the sum of its proper divisors (3541970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2678830 is a wasteful number, since it uses less digits than its factorization.

2678830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2678830 is about 1636.7131697399. The cubic root of 2678830 is about 138.8827747234.

The spelling of 2678830 in words is "two million, six hundred seventy-eight thousand, eight hundred thirty".