2890870 has 16 divisors (see below), whose sum is σ = 5430240. Its totient is φ = 1105984.

The previous prime is 2890861. The next prime is 2890871. The reversal of 2890870 is 780982.

It is a happy number.

2890870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890871) 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 7 ways as a sum of consecutive naturals, for example, 6055 + ... + 6514.

It is an arithmetic number, because the mean of its divisors is an integer number (339390).

2^2890870 is an apocalyptic number.

2890870 is a deficient number, since it is larger than the sum of its proper divisors (2539370).

2890870 is a wasteful number, since it uses less digits than its factorization.

2890870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12599.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2890870 is about 1700.2558630983. The cubic root of 2890870 is about 142.4545048158.

The spelling of 2890870 in words is "two million, eight hundred ninety thousand, eight hundred seventy".