2678242 has 12 divisors (see below), whose sum is σ = 4673430. Its totient is φ = 1147776.

The previous prime is 2678227. The next prime is 2678251. The reversal of 2678242 is 2428762.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 370881 = 1519^2 + 609^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13567 + ... + 13762.

2^2678242 is an apocalyptic number.

2678242 is a deficient number, since it is larger than the sum of its proper divisors (1995188).

2678242 is a wasteful number, since it uses less digits than its factorization.

2678242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345 (or 27338 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 2678242 is about 1636.5335315844. The cubic root of 2678242 is about 138.8726124452.

The spelling of 2678242 in words is "two million, six hundred seventy-eight thousand, two hundred forty-two".