2890885 has 8 divisors (see below), whose sum is σ = 3534840. Its totient is φ = 2268864.

The previous prime is 2890883. The next prime is 2890889. The reversal of 2890885 is 5880982.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 247009 + 2643876 = 497^2 + 1626^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2890885 - 2¹ = 2890883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5190 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (441855).

2^2890885 is an apocalyptic number.

It is an amenable number.

2890885 is a deficient number, since it is larger than the sum of its proper divisors (643955).

2890885 is a wasteful number, since it uses less digits than its factorization.

2890885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 2890885 is about 1700.2602741933. The cubic root of 2890885 is about 142.4547512023.

The spelling of 2890885 in words is "two million, eight hundred ninety thousand, eight hundred eighty-five".