2878650 has 36 divisors (see below), whose sum is σ = 7735182. Its totient is φ = 767520.

The previous prime is 2878639. The next prime is 2878679. The reversal of 2878650 is 568782.

It can be written as a sum of positive squares in 3 ways, for example, as 1159929 + 1718721 = 1077^2 + 1311^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2749 + ... + 3648.

2^2878650 is an apocalyptic number.

2878650 is an abundant number, since it is smaller than the sum of its proper divisors (4856532).

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

2878650 is a wasteful number, since it uses less digits than its factorization.

2878650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415 (or 6407 counting only the distinct ones).

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

The square root of 2878650 is about 1696.6584806613. The cubic root of 2878650 is about 142.2534981220.

The spelling of 2878650 in words is "two million, eight hundred seventy-eight thousand, six hundred fifty".