2798070 has 64 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 662400.

The previous prime is 2798069. The next prime is 2798083. The reversal of 2798070 is 708972.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20061 + ... + 20199.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2^2798070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

2798070 is an abundant number, since it is smaller than the sum of its proper divisors (4701450).

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

2798070 is a wasteful number, since it uses less digits than its factorization.

2798070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2798070 is about 1672.7432558525. The cubic root of 2798070 is about 140.9135831822.

The spelling of 2798070 in words is "two million, seven hundred ninety-eight thousand, seventy".