2870890 has 16 divisors (see below), whose sum is σ = 5637600. Its totient is φ = 1043920.

The previous prime is 2870863. The next prime is 2870893. The reversal of 2870890 is 980782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2870893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12940 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (352350).

2^2870890 is an apocalyptic number.

2870890 is a deficient number, since it is larger than the sum of its proper divisors (2766710).

2870890 is a wasteful number, since it uses less digits than its factorization.

2870890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26117.

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

The square root of 2870890 is about 1694.3700894433. The cubic root of 2870890 is about 142.1255584567.

The spelling of 2870890 in words is "two million, eight hundred seventy thousand, eight hundred ninety".