2878788 has 48 divisors (see below), whose sum is σ = 7430976. Its totient is φ = 860160.

The previous prime is 2878783. The next prime is 2878793. The reversal of 2878788 is 8878782.

It is an interprime number because it is at equal distance from previous prime (2878783) and next prime (2878793).

It is not an unprimeable number, because it can be changed into a prime (2878783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14820 + ... + 15012.

It is an arithmetic number, because the mean of its divisors is an integer number (154812).

2^2878788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3715488).

2878788 is an abundant number, since it is smaller than the sum of its proper divisors (4552188).

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

2878788 is a wasteful number, since it uses less digits than its factorization.

2878788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its digits is 401408, while the sum is 48.

The square root of 2878788 is about 1696.6991483466. The cubic root of 2878788 is about 142.2557712557.

The spelling of 2878788 in words is "two million, eight hundred seventy-eight thousand, seven hundred eighty-eight".