2851390 has 8 divisors (see below), whose sum is σ = 5132520. Its totient is φ = 1140552.

The previous prime is 2851361. The next prime is 2851391. The reversal of 2851390 is 931582.

2851390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851391) 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 3 ways as a sum of consecutive naturals, for example, 142560 + ... + 142579.

It is an arithmetic number, because the mean of its divisors is an integer number (641565).

2^2851390 is an apocalyptic number.

2851390 is a deficient number, since it is larger than the sum of its proper divisors (2281130).

2851390 is a wasteful number, since it uses less digits than its factorization.

2851390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285146.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2851390 is about 1688.6059338993. The cubic root of 2851390 is about 141.8030397686.

The spelling of 2851390 in words is "two million, eight hundred fifty-one thousand, three hundred ninety".