2678630 has 8 divisors (see below), whose sum is σ = 4821552. Its totient is φ = 1071448.

The previous prime is 2678629. The next prime is 2678651. The reversal of 2678630 is 368762.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133922 + ... + 133941.

It is an arithmetic number, because the mean of its divisors is an integer number (602694).

2^2678630 is an apocalyptic number.

2678630 is a deficient number, since it is larger than the sum of its proper divisors (2142922).

2678630 is a wasteful number, since it uses less digits than its factorization.

2678630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267870.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2678630 is about 1636.6520705391. The cubic root of 2678630 is about 138.8793183331.

The spelling of 2678630 in words is "two million, six hundred seventy-eight thousand, six hundred thirty".