2878230 has 32 divisors (see below), whose sum is σ = 7097184. Its totient is φ = 746496.

The previous prime is 2878229. The next prime is 2878231. The reversal of 2878230 is 328782.

It is an interprime number because it is at equal distance from previous prime (2878229) and next prime (2878231).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (221787).

2^2878230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3548592).

2878230 is an abundant number, since it is smaller than the sum of its proper divisors (4218954).

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

2878230 is a wasteful number, since it uses less digits than its factorization.

2878230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2878230 is about 1696.5347034470. The cubic root of 2878230 is about 142.2465794419.

The spelling of 2878230 in words is "two million, eight hundred seventy-eight thousand, two hundred thirty".