2870280 has 192 divisors, whose sum is σ = 11456640. Its totient is φ = 608256.

The previous prime is 2870279. The next prime is 2870323. The reversal of 2870280 is 820782.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42807 + ... + 42873.

It is an arithmetic number, because the mean of its divisors is an integer number (59670).

2^2870280 is an apocalyptic number.

2870280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2870280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5728320).

2870280 is an abundant number, since it is smaller than the sum of its proper divisors (8586360).

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

2870280 is a wasteful number, since it uses less digits than its factorization.

2870280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 101 counting only the distinct ones).

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

The square root of 2870280 is about 1694.1900719813. The cubic root of 2870280 is about 142.1154915748.

It can be divided in two parts, 28702 and 80, that added together give a palindrome (28782).

The spelling of 2870280 in words is "two million, eight hundred seventy thousand, two hundred eighty".