2680578 has 12 divisors (see below), whose sum is σ = 5807958. Its totient is φ = 893520.

The previous prime is 2680571. The next prime is 2680583. The reversal of 2680578 is 8750862.

2680578 is a `hidden beast` number, since 2 + 6 + 80 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 439569 = 1497^2 + 663^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2680571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74443 + ... + 74478.

2^2680578 is an apocalyptic number.

2680578 is an abundant number, since it is smaller than the sum of its proper divisors (3127380).

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

2680578 is a wasteful number, since it uses less digits than its factorization.

2680578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148929 (or 148926 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2680578 is about 1637.2470797042. The cubic root of 2680578 is about 138.9129762549.

The spelling of 2680578 in words is "two million, six hundred eighty thousand, five hundred seventy-eight".