2678004 has 36 divisors (see below), whose sum is σ = 7737184. Its totient is φ = 765072.

The previous prime is 2677973. The next prime is 2678009. The reversal of 2678004 is 4008762.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5062 + ... + 5565.

2^2678004 is an apocalyptic number.

It is an amenable number.

2678004 is an abundant number, since it is smaller than the sum of its proper divisors (5059180).

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

2678004 is a wasteful number, since it uses less digits than its factorization.

2678004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2678004 is about 1636.4608152962. The cubic root of 2678004 is about 138.8684987193.

The spelling of 2678004 in words is "two million, six hundred seventy-eight thousand, four".