2850870 has 64 divisors (see below), whose sum is σ = 7651584. Its totient is φ = 673920.

The previous prime is 2850851. The next prime is 2850871. The reversal of 2850870 is 780582.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17409 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (119556).

2^2850870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2850870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3825792).

2850870 is an abundant number, since it is smaller than the sum of its proper divisors (4800714).

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

2850870 is a wasteful number, since it uses less digits than its factorization.

2850870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 2850870 is about 1688.4519537138. The cubic root of 2850870 is about 141.7944191703.

The spelling of 2850870 in words is "two million, eight hundred fifty thousand, eight hundred seventy".