2821490 has 32 divisors (see below), whose sum is σ = 6148224. Its totient is φ = 910080.

The previous prime is 2821477. The next prime is 2821493. The reversal of 2821490 is 941282.

2821490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2821493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (192132).

2^2821490 is an apocalyptic number.

2821490 is an abundant number, since it is smaller than the sum of its proper divisors (3326734).

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

2821490 is a wasteful number, since it uses less digits than its factorization.

2821490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2821490 is about 1679.7291448326. The cubic root of 2821490 is about 141.3056428387.

The spelling of 2821490 in words is "two million, eight hundred twenty-one thousand, four hundred ninety".