2834720 has 48 divisors (see below), whose sum is σ = 7656768. Its totient is φ = 971520.

The previous prime is 2834719. The next prime is 2834729. The reversal of 2834720 is 274382.

It is a self number, because there is not a number n which added to its sum of digits gives 2834720.

It is not an unprimeable number, because it can be changed into a prime (2834729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (159516).

2^2834720 is an apocalyptic number.

2834720 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 2834720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3828384).

2834720 is an abundant number, since it is smaller than the sum of its proper divisors (4822048).

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

2834720 is a wasteful number, since it uses less digits than its factorization.

2834720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2834720 is about 1683.6626740532. The cubic root of 2834720 is about 141.5261598052.

The spelling of 2834720 in words is "two million, eight hundred thirty-four thousand, seven hundred twenty".