2720850 has 96 divisors (see below), whose sum is σ = 7874496. Its totient is φ = 614400.

The previous prime is 2720849. The next prime is 2720881. The reversal of 2720850 is 580272.

It is a self number, because there is not a number n which added to its sum of digits gives 2720850.

It is a congruent number.

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, 28002 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (82026).

2^2720850 is an apocalyptic number.

It is a pronic number, being equal to 1649×1650.

It is a practical number, because each smaller number is the sum of distinct divisors of 2720850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3937248).

2720850 is an abundant number, since it is smaller than the sum of its proper divisors (5153646).

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

2720850 is a wasteful number, since it uses less digits than its factorization.

2720850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2720850 is about 1649.4999242195. The cubic root of 2720850 is about 139.6051801155.

It can be divided in two parts, 2720 and 850, that added together give a triangular number (3570 = T₈₄).

The spelling of 2720850 in words is "two million, seven hundred twenty thousand, eight hundred fifty".