2878002 has 24 divisors (see below), whose sum is σ = 6268860. Its totient is φ = 954240.

The previous prime is 2877983. The next prime is 2878003. The reversal of 2878002 is 2008782.

It can be written as a sum of positive squares in 2 ways, for example, as 2852721 + 25281 = 1689^2 + 159^2 .

It is not an unprimeable number, because it can be changed into a prime (2878003) 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, 4774 + ... + 5342.

2^2878002 is an apocalyptic number.

2878002 is an abundant number, since it is smaller than the sum of its proper divisors (3390858).

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

2878002 is a wasteful number, since it uses less digits than its factorization.

2878002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2878002 is about 1696.4675063201. The cubic root of 2878002 is about 142.2428233052.

The spelling of 2878002 in words is "two million, eight hundred seventy-eight thousand, two".