2047878 has 24 divisors (see below), whose sum is σ = 5071248. Its totient is φ = 585072.

The previous prime is 2047841. The next prime is 2047879. The reversal of 2047878 is 8787402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047879) 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, 8001 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (211302).

2^2047878 is an apocalyptic number.

2047878 is an abundant number, since it is smaller than the sum of its proper divisors (3023370).

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

2047878 is a wasteful number, since it uses less digits than its factorization.

2047878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268 (or 16265 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2047878 is about 1431.0408799192. The cubic root of 2047878 is about 126.9895624547.

The spelling of 2047878 in words is "two million, forty-seven thousand, eight hundred seventy-eight".