2821050 has 36 divisors (see below), whose sum is σ = 7580430. Its totient is φ = 752160.

The previous prime is 2821009. The next prime is 2821057. The reversal of 2821050 is 501282.

It can be written as a sum of positive squares in 3 ways, for example, as 1846881 + 974169 = 1359^2 + 987^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2821057) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2685 + ... + 3584.

2^2821050 is an apocalyptic number.

2821050 is an abundant number, since it is smaller than the sum of its proper divisors (4759380).

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

2821050 is a wasteful number, since it uses less digits than its factorization.

2821050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287 (or 6279 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2821050 is about 1679.5981662291. The cubic root of 2821050 is about 141.2982971082.

The spelling of 2821050 in words is "two million, eight hundred twenty-one thousand, fifty".